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Trademarks = 1

Forward Citations = 67

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11 inventors (with patents filed for the assignee):

Yukifumi Machida (6 out of 14 patents)

Yoshikazu Tanaka (3 out of 74 patents)

Michiyasu Watanabe (3 out of 6 patents)

4. Yoshikatsu Hasegawa (3 out of 5 patents)

5. Tsugio Anbo (3 out of 9 patents)

6. Ryo Sawada (2 out of 2 patents)

7. Katsuzi Shimazawa (2 out of 2 patents)

8. Kenichi Suzuki (1 out of 88 patents)

9. Akihiro Kojima (1 out of 125 patents)

10. Yukihumi Machida (1 out of 1 patent)

11. Hideo Kon (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6699079 - Electric connector permitting testing of electric conductivity of terminals in provisional locking position (2004-03-02),

2. 6558206 - Electric connector (2003-05-06),

3. 6171140 - Joint connector (2001-01-09),

4. 6165009 - Housing accomodating a plurality of flat cables (2000-12-26),

5. 6083025 - Connector (2000-07-04),

6. 5879192 - Electrical connector (1999-03-09),

7. 5702272 - Connecting terminal and method or manufacturing the same (1997-12-30),

Ryosei Electro-circuit Systems, Ltd. is a leading provider of high-quality electro-circuit systems, specializing in the design and manufacturing of cutting-edge electronic components for various industries. With a proven track record of delivering innovative solutions, Ryosei Electro-circuit Systems, Ltd. is committed to excellence and customer satisfaction.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

7 Patents

#2,034 in Tokyo

#5,310 in Japan

Tokyo, Japan

Ryosei Electro-circuit Systems, Ltd.