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Sen Corporation

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USPTO Granted Patents = 23

% Expired Patents = 34.8

Trademarks = 6

Forward Citations = 111

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32 inventors (with patents filed for the assignee):

Shiro Ninomiya (9 out of 16 patents)

Akihiro Ochi (7 out of 10 patents)

Mitsukuni Tsukihara (6 out of 26 patents)

4. Mitsuaki Kabasawa (6 out of 30 patents)

5. Tetsuya Kudo (5 out of 12 patents)

6. Takanori Yagita (4 out of 17 patents)

7. Toshio Yumiyama (4 out of 9 patents)

8. Yasuharu Okamoto (3 out of 5 patents)

9. Tatsuya Yamada (2 out of 47 patents)

10. Yasuhiko Kimura (2 out of 5 patents)

11. Masaki Ishikawa (2 out of 25 patents)

12. Masateru Sato (2 out of 12 patents)

13. Takeshi Kurose (2 out of 5 patents)

14. Kazuhiro Watanabe (2 out of 9 patents)

15. Yoshitaka Amano (2 out of 8 patents)

23 patents: Sort by Forward Citations

1. 9646837 - Ion implantation method and ion implantation apparatus (2017-05-09),

2. 9601314 - Ion implantation apparatus and ion implantation method (2017-03-21),

3. 9312163 - Impurity-doped layer formation apparatus and electrostatic chuck protection method (2016-04-12),

4. 9305784 - Ion implantation method and ion implantation apparatus (2016-04-05),

5. 9165772 - Ion implantation method and ion implantation apparatus (2015-10-20),

6. 9153406 - Supporting structure and ion generator using the same (2015-10-06),

7. 9153405 - Ion source device and ion beam generating method (2015-10-06),

8. 9023720 - Manufacturing method of semiconductor device (2015-05-05),

9. 8987690 - High-energy ion implanter (2015-03-24),

10. 8980654 - Ion implantation method and ion implantation apparatus (2015-03-17),

11. 8952340 - High-frequency acceleration type ion acceleration and transportation apparatus having high energy precision (2015-02-10),

12. 8772741 - Ion implantation method and ion implantation apparatus (2014-07-08),

13. 8772142 - Ion implantation method and ion implantation apparatus (2014-07-08),

14. 8759801 - Ion implantation apparatus and ion implantation method (2014-06-24),

15. 8735855 - Ion beam irradiation system and ion beam irradiation method (2014-05-27),

Company Overview

Sen Corporation, headquartered in Tokyo, specializes in advanced technology solutions, focusing on the development and manufacturing of high-performance electronic components and systems. The company is recognized for its expertise in areas such as telecommunications, automotive electronics, and industrial automation. With a commitment to innovation, Sen Corporation plays a significant role in enhancing connectivity and efficiency across various sectors, contributing to the advancement of technology in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

23 Patents

#1,246 in Tokyo

#2,706 in Japan

#27,717 in the World

Sen Corporation

Forward Citations = 111

32 inventors:

Shiro Ninomiya (9 out of 16 patents)

Akihiro Ochi (7 out of 10 patents)

Mitsukuni Tsukihara (6 out of 26 patents)

4. Mitsuaki Kabasawa (6 out of 30 patents)

5. Tetsuya Kudo (5 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sen Corporation. Retrieved from https://idiyas.com/company/sen

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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