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Hitachi Instrument Engineering Co., Ltd.

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USPTO Granted Patents = 18

Forward Citations = 216

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68 inventors (with patents filed for the assignee):

Hifumi Tamura (3 out of 31 patents)

Yukinobu Shibata (3 out of 7 patents)

Tadao Konishi (3 out of 4 patents)

4. Haruo Yoda (2 out of 72 patents)

5. Masahide Okumura (2 out of 27 patents)

6. Yoshinori Ikebe (2 out of 4 patents)

7. Hiroyuki Sumiya (2 out of 2 patents)

8. Masamichi Kawano (2 out of 2 patents)

9. Isao Yamazaki (1 out of 61 patents)

10. Takayuki Ono (1 out of 60 patents)

11. Yukio Ito (1 out of 87 patents)

12. Ryo Miyake (1 out of 34 patents)

13. Jun'ichi Taguchi (1 out of 11 patents)

14. Masaya Kojima (1 out of 23 patents)

15. Yasushi Shimizu (1 out of 17 patents)

18 patents: Sort by Forward Citations

1. 5721942 - Personal information display system for serving large capacities of (1998-02-24),

2. 5471141 - Method and apparatus for regulating radio frequency pulse (1995-11-28),

3. 5458003 - Electromagnetic flow meter (1995-10-17),

4. 5424550 - Charged particle beam exposure apparatus (1995-06-13),

5. 5378630 - Test strip automatic supply device and analytical instrument using the (1995-01-03),

6. 5309106 - Magnetic field generator (1994-05-03),

7. 5281827 - Charged particle beam exposure apparatus (1994-01-25),

8. 5278407 - Secondary-ion mass spectrometry apparatus using field limiting method (1994-01-11),

9. 5276499 - Spectrophotometer (1994-01-04),

10. 5270212 - Cell analysis apparatus (1993-12-14),

11. 5236847 - Method for analyzing amino acids and apparatus therefor (1993-08-17),

12. 5206517 - Electron beam lithographic method (1993-04-27),

13. 5185523 - Mass spectrometer for analyzing ultra trace element using plasma ion (1993-02-09),

14. 5047647 - Electron beam lithography apparatus (1991-09-10),

15. 5008537 - Composite apparatus with secondary ion mass spectrometry instrument and (1991-04-16),

Company Overview

Hitachi Instrument Engineering Co., Ltd. specializes in the development and manufacturing of advanced measurement and control systems. The company focuses on providing innovative solutions across various sectors, including industrial automation, environmental monitoring, and energy management. With a commitment to enhancing operational efficiency and sustainability, Hitachi Instrument Engineering leverages cutting-edge technology to meet the evolving needs of its clients, primarily serving markets in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

18 Patents

#20 in Ibaraki

#3,125 in Japan

#34,263 in the World

Hitachi Instrument Engineering Co., Ltd.

Forward Citations = 216

68 inventors:

Hifumi Tamura (3 out of 31 patents)

Yukinobu Shibata (3 out of 7 patents)

Tadao Konishi (3 out of 4 patents)

4. Haruo Yoda (2 out of 72 patents)

5. Masahide Okumura (2 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Instrument Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/hitachi-instrument-engineering-company

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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