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% Expired Patents = 14.3

Forward Citations = 154

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11 inventors (with patents filed for the assignee):

Kotaro Yajima (2 out of 3 patents)

Hidenori Abe (2 out of 5 patents)

Hirokazu Kobayashi (1 out of 106 patents)

4. Hiroshi Yokokawa (1 out of 5 patents)

5. Hiroaki Akagawa (1 out of 1 patent)

6. Yuichi Ninomiya (1 out of 33 patents)

7. Takahiro Sato (1 out of 3 patents)

8. Shigeyuki Miyazaki (1 out of 1 patent)

9. Yukio Ohkubo (1 out of 1 patent)

10. Masashi Ohmura (1 out of 1 patent)

11. Hiroshi Honmo (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6667664 - Container for oscillation circuit using piezoelectric vibrator, manufacturing method therefor, and oscillator (2003-12-23),

2. 5923231 - Surface acoustic wave device with an electrode insulating film and (1999-07-13),

3. 5877661 - Surface acoustic wave filter with optimally sized gaps between (1999-03-02),

4. 5850167 - Surface acoustic wave device (1998-12-15),

5. 5703637 - Retina direct display device and television receiver using the same (1997-12-30),

6. 5410742 - SAW electric part and frequency conversion circuit (1995-04-25),

7. 5162759 - Piezoelectric filter stage selectably connectable in series with another (1992-11-10),

Kinseki Limited is a leading manufacturer of high-quality electronic components for various industries. With a focus on innovation and reliability, we strive to provide our customers with cutting-edge solutions that meet their specific needs. Our product range includes sensors, connectors, and switches, all designed to deliver superior performance and durability. At Kinseki Limited, we are committed to excellence in everything we do, from product design to customer service.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

7 Patents

#2,282 in Tokyo

#5,456 in Japan

Tokyo, Japan

Kinseki Limited