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Hitachi Instrument Engineering Co., Ltd.

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 59 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),

Hitachi Instrument Engineering Co., Ltd. is a leading global manufacturer and provider of advanced technology and solutions. They specialize in providing a wide range of high-quality, innovative instruments and equipment for various industries including healthcare, pharmaceutical, environmental, and scientific research. With a commitment to excellence and technological advancement, they continue to deliver state-of-the-art products and solutions that meet the evolving needs of their customers.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

18 Patents

#17 in Ibaraki

#3,053 in Japan

#33,165 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)

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