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Octec, Inc.

USPTO Granted Patents = 23

% Expired Patents = 52.2

EPO Patents = 3

Forward Citations = 166

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43 inventors (with patents filed for the assignee):

Katsuya Okumura (22 out of 245 patents)

Kazuya Nagaseki (6 out of 76 patents)

Koji Maruyama (3 out of 23 patents)

4. Kazuhiro Sugata (3 out of 6 patents)

5. Shigenobu Itoh (3 out of 3 patents)

6. Haruo Nakazawa (2 out of 43 patents)

7. Kenichi Iguchi (2 out of 28 patents)

8. Koh Yoshikawa (2 out of 42 patents)

9. Kunihiro Furuya (2 out of 16 patents)

10. Takahiro Kitano (2 out of 85 patents)

11. Takanori Nishi (2 out of 9 patents)

12. Shinji Himori (2 out of 58 patents)

13. Naoyuki Satoh (2 out of 19 patents)

14. Yoshikazu Takahashi (2 out of 51 patents)

15. Kazunori Takenouchi (2 out of 5 patents)

23 patents: Sort by Forward Citations

1. 10109501 - Manufacturing method of semiconductor device having a voltage resistant structure (2018-10-23),

2. 9786749 - Semiconductor device having a voltage resistant structure (2017-10-10),

3. 9035453 - Semiconductor device (2015-05-19),

4. 8531007 - Semiconductor device and the method for manufacturing the same (2013-09-10),

5. 8324726 - Semiconductor device, electrode member and electrode member fabrication method (2012-12-04),

6. 8021062 - Developing apparatus and developing method (2011-09-20),

7. 7994443 - Switch array (2011-08-09),

8. 7988429 - Chemical liquid supply system (2011-08-02),

9. 7942647 - Pump for supplying chemical liquids (2011-05-17),

10. 7922862 - Plasma processing apparatus, electrode plate for plasma processing apparatus, and electrode plate manufacturing method (2011-04-12),

11. 7862959 - Transfer mask for exposure and pattern exchanging method of the same (2011-01-04),

12. 7766341 - Seal structure, fluid device, integrated valve, and sealing member (2010-08-03),

13. 7750654 - Probe method, prober, and electrode reducing/plasma-etching processing mechanism (2010-07-06),

14. 7740410 - Developing apparatus and developing method (2010-06-22),

15. 7686588 - Liquid chemical supply system having a plurality of pressure detectors (2010-03-30),

Company Overview

Octec, Inc. is a Tokyo-based company specializing in advanced technology solutions, focusing on the development and manufacturing of high-performance electronic devices and systems. The organization is known for its expertise in areas such as telecommunications, automotive technology, and industrial automation. By leveraging innovative engineering practices, Octec aims to enhance connectivity and efficiency across various sectors, contributing to the evolution of smart technologies and integrated systems in the global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

23 Patents

#1,246 in Tokyo

#2,705 in Japan

#27,685 in the World

Octec, Inc.

Forward Citations = 166

43 inventors:

Katsuya Okumura (22 out of 245 patents)

Kazuya Nagaseki (6 out of 76 patents)

Koji Maruyama (3 out of 23 patents)

4. Kazuhiro Sugata (3 out of 6 patents)

5. Shigenobu Itoh (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Octec, Inc.. Retrieved from https://idiyas.com/company/octec

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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