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Hokushin Electric Works, Ltd.

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USPTO Granted Patents = 32

Forward Citations = 335

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21 inventors (with patents filed for the assignee):

Kazuie Suzuki (9 out of 10 patents)

Tamotsu Kobayashi (7 out of 13 patents)

Takashi Torimaru (5 out of 10 patents)

4. Masayasu Watanabe (3 out of 3 patents)

5. Chuji Akiyama (2 out of 7 patents)

6. Hiroshi Minami (2 out of 2 patents)

7. Toru Hirano (2 out of 2 patents)

8. Takeshi Yoshida (2 out of 2 patents)

9. Tadashi Azegami (2 out of 3 patents)

10. Nagaoki Kayama (2 out of 2 patents)

11. Atsushi Kimura (2 out of 2 patents)

12. Yoshihiro Miyake (1 out of 5 patents)

13. Hiromu Kakiura (1 out of 1 patent)

14. Hirofumi Ide (1 out of 1 patent)

15. Hisanori Uchino (1 out of 3 patents)

Core Competencies:

Electromagnetic Flowmeter

Magnetic Flowmeter

Displacement Converter

Pressure Transducer

Signal Generator

Dissolved Oxygen Probe

Pneumatic Controller

Noise Compensation

Flow Rate Monitoring

Capacitance Type

Resistance-to-Current Converter

Karman Vortex Flowmeter

32 patents: Sort by Forward Citations

1. 4408497 - Electromagnetic flowmeter for measuring ferromagnetic slurries (1983-10-11),

2. 4390879 - Apparatus for converting physical quantities (1983-06-28),

3. 4387601 - Capacitance type displacement conversion device (1983-06-14),

4. 4366716 - Pressure transducer (1983-01-04),

5. 4357835 - Electromagnetic flowmeter in shielded lines (1982-11-09),

6. 4357834 - Displacement converter (1982-11-09),

7. 4290312 - Signal generator for electromagnetic flowmeter (1981-09-22),

8. 4259165 - Dissolved oxygen probe (1981-03-31),

9. 4218915 - Electromagnetic flowmeter (1980-08-26),

10. 4211971 - Ratio meter for capacitive-type displacement converter (1980-07-08),

11. 4206640 - Magnetic flowmeter (1980-06-10),

12. 4193298 - Excitation system for electromagnetic flowmeter (1980-03-18),

13. 4181019 - Electromagnetic flowmeter with noise compensation (1980-01-01),

14. 4169375 - Magnetic flowmeter (1979-10-02),

15. 4156363 - Magnetic flowmeter (1979-05-29),

Company Overview

Hokushin Electric Works, Ltd. is a prominent Japanese company specializing in the development and manufacturing of electrical equipment and systems. The organization focuses on advanced technologies in the fields of power generation, transmission, and distribution, contributing to the enhancement of energy efficiency and sustainability. With a commitment to innovation, Hokushin plays a significant role in the electrical infrastructure sector, serving both domestic and international markets with reliable solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

32 Patents

#1,035 in Tokyo

#2,240 in Japan

#20,712 in the World

Hokushin Electric Works, Ltd.

Forward Citations = 335

21 inventors:

Kazuie Suzuki (9 out of 10 patents)

Tamotsu Kobayashi (7 out of 13 patents)

Takashi Torimaru (5 out of 10 patents)

4. Masayasu Watanabe (3 out of 3 patents)

5. Chuji Akiyama (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hokushin Electric Works, Ltd.. Retrieved from https://idiyas.com/company/hokushin-electric-works

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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