What Hioki does

Hioki E.E. Corporation is a privately held Japanese manufacturer of electrical test and measurement instruments, headquartered in Nagano and founded in 1935. The company operates a global distribution and direct-sales footprint covering the Americas, Europe, East Asia, Southeast Asia, and India, with localized websites in nine languages and a presence on LinkedIn, Instagram, Facebook, and YouTube.

The company's core technology centers on precision electrical measurement, spanning 22 product categories that include LCR meters and impedance analyzers (IM3536 to 10 MHz), high-precision power analyzers (PW8001, PW4001) for SiC and GaN inverters, multichannel and wireless Memory HiLOGGER data loggers (LR8450-01), Class A IEC61000-4-30 Ed.3 power quality analyzers (PQ3198), high-frequency current probes with no DC drift (CT6704, CT6705, CT6847A), DC hipot safety testers for EV battery production (ST5680A), and dynamic EIS systems for electrochemical and fuel cell applications (ALDAS-E). Flagship differentiation rests on measurement accuracy, IEC standards compliance, and domain specialization in EV, battery, power electronics, motor, energy, electronic components, and infrastructure testing.

Hioki monetizes primarily through hardware sales to B2B enterprise customers on a quote-based pricing model, supplemented by recurring after-sales revenue including calibration services, firmware updates, warranty, and the proprietary 'my HIOKI' member portal. Go-to-market is enterprise field sales combined with regional channel partners and global distributors, with applications-heavy content marketing (knowledge center, webinars, seminars) feeding demand generation across mobility, battery, motor, energy, electronic components, and infrastructure end markets. The company holds ISO certification and has been independently identified as a major player in the In-Circuit Tester market alongside Keysight Technologies, Teradyne, Test Research Inc., and SPEA.

Name

Hioki

Legal name

HIOKI E.E. CORPORATION

Website

https://hiokiusa.com

Company type

Private

Founded year

1935

Operating status

Operating

Headcount range

11–50 employees

Short description

Hioki E.E. Corporation is a Japanese manufacturer of precision electrical test and measurement instruments, including LCR meters, power analyzers, data loggers, and safety testers. The privately held firm serves EV/battery, motor, energy, electronic components, and infrastructure industries globally.

Ownership category

akta.pro rank

Product category

Electronic Test & Measurement Instruments

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches) (IMAGAFAC)

akta.pro secondary industries

Test, Measurement & Calibration Equipment Manufacturing Services (ATE, DAQ, metrology electronics) (IMAGAGAH), Test, Probe & Burn-In Equipment (Wafer Sort/Final Test) (HDAHAEAJ), Commissioning, testing & energization services (HVT, relay testing, SAT) (EUADAKAE)

Keywords

• Electrical test instruments
• Power measurement equipment
• LCR impedance meters
• Data acquisition systems
• Battery testing equipment

Headquarters

HQ city

Nagano

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Test and Measurement Equipment Sales: Hardware sales of precision measurement instruments including LCR meters, power analyzers, data loggers, oscilloscopes, clamp meters, insulation testers, and specialized testing equipment for EV, battery, and industrial applications
2. After-sales Service and Support: Technical support, calibration services, firmware updates, and after-sales service including product warranty and member services for registered products

Go-to-market motion2 records

Distribution channels3 records

Marketing channels9 records

Core offering

Hioki E.E. Corporation manufactures and sells precision electrical test and measurement instruments, including LCR meters, power analyzers, multichannel data loggers, oscilloscopes, clamp meters, insulation testers, hipot testers, current probes, and power quality analyzers. The portfolio addresses component-level testing through system-level power quality and EV battery safety testing. Products are sold to industrial and electronics manufacturers for testing, quality assurance, and compliance applications.

Product overview

Hioki is a Japanese manufacturer of world-class test and measurement equipment offering a comprehensive portfolio of precision instruments. The product lineup includes featured flagship products like the POWER ANALYZER PW8001 (for SiC/GaN inverter and power analysis), LCR METER IM3536 (industry-standard impedance measurement), MEMORY HiLOGGER LR8450-01 (wireless data logger), and POWER QUALITY ANALYZER PQ3198 (Class A power quality analysis). These core products are supported by extensive product categories spanning data acquisition and oscilloscopes, multichannel and compact data loggers, LCR meters/impedance analyzers/capacitance meters, resistance meters and battery testers, super megohmmeters/electrometers/picoammeters, benchtop and handheld DMMs, electrical safety testers including hipot/insulation/leakage testers, signal generators/calibrators, power meters and power analyzers, power quality analyzers/loggers, current/voltage/CAN sensors and probes, RGB laser/LED optical meters and LAN cable testers, solar/PV maintenance tools, environmental measuring instruments (magnetic field, temperature, sound level, lux), insulation testers/megohmmeters, clamp meters/multimeters, ground resistance/phase rotation/voltage detection tools, IoT/specialized solutions, and bare board/package/populated board testing equipment. The company serves industries including mobility (EV/automotive), battery, motor, energy, electronic components, and infrastructure.

Differentiator

Problem solved

Functional benefit

Products and services

• POWER ANALYZER PW8001 High-performance power analyzer for precise measurement of next-generation SiC and GaN inverters, reactor/transformer loss, and high-efficiency IGBT and solar inverters, used by EV, power electronics, and renewable energy engineers.
• LCR METER IM3536 Industry-standard LCR meter for measuring inductance, capacitance, and resistance of electronic components across a wide range of applications, used by electronics manufacturing and component test engineers.
• MEMORY HiLOGGER LR8450-01 (Wireless LAN model) Portable multichannel data logger expandable to 330 channels with plug-in or wireless module compatibility, used for versatile data acquisition in R&D labs and production environments.
• POWER QUALITY ANALYZER PQ3198 IEC 61000-4-30 Ed.3 Class A compliant power quality analyzer for advanced monitoring and recording of power disturbances, used by utilities, facilities, and power quality engineers.
• Current Probe CT6704, CT6705 High-frequency large-current measurement probes with no DC drift and wider derating range, designed for stable current waveform observation in power electronics development applications.
• DC Hipot Tester ST5680A Waveform-based DC hipot safety tester for EV battery cell, module, and pack production lines, with global standards compliance, contact check, and waveform analysis features.
• AC/DC Current Probe CT6847A AC/DC current probe designed to capture high EV currents during fast charging and heavy-load operation, providing accurate measurement data for visualizing high-current waveforms.
• EIS Measurement System ALDAS-E Dynamic EIS measurement system for kW to MW class electrochemical cells and fuel cells, supporting water electrolysis and fuel cell development applications.
• Data Acquisition, Oscilloscopes, and Memory Recorders High-speed data acquisition devices including oscilloscopes and memory recorders for capturing and analyzing electrical signals in R&D and field testing.
• Multichannel Data Loggers Multi-channel data logging instruments for simultaneous monitoring and recording of electrical and environmental measurements across multiple channels.
• Compact and Temperature Data Loggers Compact and portable data loggers for temperature and environmental measurement recording across various field and laboratory applications.
• LCR Meters, Impedance Analyzers, and Capacitance Meters Precision instruments for measuring inductance, capacitance, resistance, and impedance in electronic components and circuits, used by electronics manufacturing and R&D teams.
• Resistance Meters and Battery Testers Specialized meters for measuring electrical resistance and testing battery health and capacity, used in battery production and maintenance applications.
• Super Megohmmeters, Electrometers, and Picoammeters Ultra-high resistance measurement instruments and precision current measurement devices for sensitive electronic testing in laboratory and production environments.
• Benchtop Digital Multimeters (DMMs) High-precision benchtop digital multimeters for comprehensive electrical measurement and testing in laboratory and production environments.
• Electrical Safety Testers (Hipot / Insulation / Leakage) Electrical safety testing equipment including hipot testers, insulation testers, and leakage current testers for safety compliance verification in production and certification workflows.
• Signal Generators and Calibrators Precision signal generation and calibration instruments for testing and calibrating electronic measurement equipment in laboratory and production settings.
• Power Meters and Power Analyzers Instruments for measuring electrical power consumption, power quality, and analyzing power distribution across various industrial and electronics applications.
• Power Quality Analyzers and Power Loggers Advanced power quality monitoring and logging instruments for analyzing electrical power quality issues and disturbances in facilities, utilities, and industrial environments.
• Current Probes, Voltage Probes, and CAN Sensors Comprehensive range of current probes, voltage probes, and CAN sensors for various electrical measurement and data acquisition applications.
• RGB Laser/LED Optical Meters and LAN Cable Testers Optical measurement instruments including RGB laser and LED optical meters, plus LAN cable testing equipment for telecommunications applications.
• Solar Panel / Photovoltaic (PV) System Maintenance Instruments Specialized testing and maintenance instruments for solar photovoltaic systems and panels, used by PV installers, maintenance contractors, and renewable energy operators.
• Magnetic Field, Temperature, Sound Level, and Lux Meters Environmental measuring instruments for magnetic field, temperature, sound level, and illumination (lux) measurements in industrial and facilities applications.

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Keysight Technologies: Public, multi-billion-dollar electronic test and measurement leader. Directly competes with Hioki in power analyzers, oscilloscopes, LCR/impedance measurement, and EV/battery test workflows, with a much broader catalog and software-defined instrument platform.
• Rohde & Schwarz:

Direct peers

• Yokogawa Electric: Japanese T&M and industrial automation company with overlapping power analyzers, oscilloscopes, and precision measurement products. Most direct comparable given shared Japanese heritage and overlapping customer base in power and energy.
• Fluke Corporation: Fortive-owned electrical test specialist competing with Hioki in handheld DMMs, clamp meters, insulation testers, and power quality analyzers, with a comparable B2B field-sales motion across industrial and electrical contractor segments.
• Tektronix: Fortive-owned oscilloscope and T&M brand directly competing with Hioki in oscilloscopes, data acquisition, and signal analysis, with deeper presence in academic and semiconductor test markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCHTPyrJL0c6QbWL8FmZB61g
• Facebookfacebook.com/HiokiUSA
• LinkedInlinkedin.com/company/hioki-usa-corporation
• Instagraminstagram.com/hiokiusa

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hioki