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Boc Edwards Japan Limited

USPTO Granted Patents = 13

% Expired Patents = 30.8

EPO Patents = 1

Forward Citations = 99

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16 inventors (with patents filed for the assignee):

Toshiaki Kawashima (5 out of 12 patents)

Hirotaka Namiki (3 out of 9 patents)

Manabu Nonaka (2 out of 31 patents)

4. Hideo Fukami (2 out of 12 patents)

5. Masayuki Yamamoto (2 out of 3 patents)

6. Satoshi Okudera (2 out of 14 patents)

7. Yoshiyuki Sakaguchi (1 out of 45 patents)

8. Takashi Kabasawa (1 out of 48 patents)

9. Yoshinobu Ohtachi (1 out of 26 patents)

10. Yasushi Maejima (1 out of 30 patents)

11. Akihiko Wada (1 out of 4 patents)

12. Takeshi Akimoto (1 out of 1 patent)

13. Shinji Kawanishi (1 out of 1 patent)

14. Osamu Someya (1 out of 1 patent)

15. Akira Yamauchi (1 out of 21 patents)

13 patents: Sort by Forward Citations

1. 7993113 - Damper and vacuum pump (2011-08-09),

2. 7824153 - Stator vane of turbo molecular pump (2010-11-02),

3. 7786636 - Magnetic bearing device and a turbo molecular pump with the magnetic bearing device mounted thereto (2010-08-31),

4. 7753661 - Vacuum pump (2010-07-13),

5. RE41035 - Magnetic bearing device with vibration restraining function, magnetic bearing device with vibration estimating function, and pump device with the magnetic bearing devices mounted thereto (2009-12-14),

6. 7572096 - Vacuum pump (2009-08-11),

7. 7292425 - Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto (2007-11-06),

8. 7245097 - Motor control system and vacuum pump equipped with the motor control system (2007-07-17),

9. 7091641 - Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto (2006-08-15),

10. 6949853 - Magnetic bearing device and pump device with the magnetic bearing device mounted thereto (2005-09-27),

11. 6770992 - Magnetic bearing apparatus (2004-08-03),

12. 6759827 - Control circuit of brush-less motor, control circuit of sensor-less brush-less motor, brush-less motor apparatus, sensor-less brush-less motor apparatus and vacuum pump apparatus (2004-07-06),

13. 6755611 - Vacuum pump (2004-06-29),

Company Overview

Boc Edwards Japan Limited specializes in the development and manufacturing of advanced vacuum and gas management systems. The company focuses on providing innovative solutions for various industries, including semiconductor manufacturing, pharmaceuticals, and biotechnology. With a strong emphasis on precision and reliability, Boc Edwards is dedicated to enhancing process efficiency and safety in critical applications. Its expertise in vacuum technology positions it as a key player in supporting the evolving needs of high-tech sectors in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#74 in

#3,749 in Japan

#45,039 in the World

Boc Edwards Japan Limited

Forward Citations = 99

16 inventors:

Toshiaki Kawashima (5 out of 12 patents)

Hirotaka Namiki (3 out of 9 patents)

Manabu Nonaka (2 out of 31 patents)

4. Hideo Fukami (2 out of 12 patents)

5. Masayuki Yamamoto (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Boc Edwards Japan Limited. Retrieved from https://idiyas.com/company/boc-edwards-japan

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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