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Tris Inc.

USPTO Granted Patents = 13

% Expired Patents = 23.1

EPO Patents = 2

Forward Citations = 29

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30 inventors (with patents filed for the assignee):

Youichi Murakami (5 out of 14 patents)

Mitsuo Ikeda (5 out of 7 patents)

Yoichi Sakaura (5 out of 8 patents)

4. Makoto Nishio (4 out of 4 patents)

5. Takayoshi Otani (4 out of 6 patents)

6. Shinya Nakagawa (3 out of 3 patents)

7. Masami Niimi (3 out of 112 patents)

8. Naoki Morita (3 out of 4 patents)

9. Kyoji Inukai (3 out of 9 patents)

10. Yasuyuki Wakahara (3 out of 21 patents)

11. Takashi Fukutsuka (2 out of 2 patents)

12. Yuya Nishino (2 out of 2 patents)

13. Ryoichi Honbo (2 out of 3 patents)

14. Kenzo Kiyose (2 out of 8 patents)

15. Hirotada Kanagawa (2 out of 2 patents)

13 patents: Sort by Forward Citations

1. 12255429 - Carbon grounding brush (2025-03-18),

2. 11764532 - Metal graphite grounding brush mainly composed of silver and method for producing same (2023-09-19),

3. 11146152 - Brush of motor for automotive electronics (2021-10-12),

4. 10270322 - Laminate carbon brush for fuel pump motor (2019-04-23),

5. 9337599 - Carbon brush for fuel pump and method for manufacturing same (2016-05-10),

6. 9024504 - Carbon commutator and a method for production thereof (2015-05-05),

7. 7586230 - Brush, commutator, and commutator device (2009-09-08),

8. 7294166 - Metal-graphite brush (2007-11-13),

9. 7067951 - Copper-graphite brush (2006-06-27),

10. 6949863 - Metal-graphite brush (2005-09-27),

11. 6755882 - Metal-graphite brush (2004-06-29),

12. 6259183 - Carbon commutator (2001-07-10),

13. 5686118 - Apparatus for compressing-forming powder (1997-11-11),

Tris Inc. is a leading provider of innovative solutions for the pharmaceutical and chemical industries. We specialize in developing and manufacturing high-quality chemicals, APIs, and intermediates. Our state-of-the-art facilities and experienced team ensure that we deliver products that meet the highest standards of quality and safety. With a focus on research and development, we are committed to providing cutting-edge solutions to our customers worldwide.

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

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USPTO Data Jan 1 1976 - Sep 22 2026

13 Patents

#10 in Mie

#3,741 in Japan

#44,921 in the World

Tris Inc.

Forward Citations = 29

30 inventors:

Youichi Murakami (5 out of 14 patents)

Mitsuo Ikeda (5 out of 7 patents)

Yoichi Sakaura (5 out of 8 patents)

4. Makoto Nishio (4 out of 4 patents)

5. Takayoshi Otani (4 out of 6 patents)

Please report any incorrect information to [email protected]

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