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Seiko Koki Kabushiki Kaisha


USPTO Granted Patents = 135

Forward Citations = 676

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59 inventors (with patents filed for the assignee):

goldMedal Kiyoshi Kitai (47 out of 47 patents)

silverMedal Masuo Ogihara (28 out of 44 patents)

bronzeMedal Tadashi Nakagawa (28 out of 37 patents)

4.  Shinji Nagaoka (26 out of 36 patents)

5.  Nobuo Shinozaki (25 out of 41 patents)

6.  Eiichi Onda (24 out of 24 patents)

7.  Masanori Watanabe (19 out of 19 patents)

8.  Ichiro Nemoto (18 out of 28 patents)

9.  Mitsuo Koyama (18 out of 18 patents)

10.  Takeo Saito (17 out of 17 patents)

11.  Yuzuru Takazawa (17 out of 17 patents)

12.  Yoichi Seki (15 out of 51 patents)

13.  Hiroaki Ishida (14 out of 25 patents)

14.  Kozo Chimura (13 out of 14 patents)

15.  Shogo Kato (12 out of 12 patents)


Core Competencies:
Injection Molding
Camera Shutter Control
Automatic Focusing
Distance Detection
Film Sensitivity Setting
Timepiece Circuit
Alarm Control System
Electromagnetic Shutter
Focal Point Detection
Digital Clock Technology
Shutter Release Mechanism
Safety Devices

135 patents:

1. 5504304 - Hot runner probe and its equipment (1996-04-02),
2. 5470219 - Runnerless injection molding of synthetic resin with a valve gate (1995-11-28),
3. 5456592 - Injection mold probe and runnerless injection mold (1995-10-10),
4. 5403536 - Method for injection molding of polyethylene terephthalate resin (1995-04-04),
5. 5378138 - Valve gate injection molding apparatus (1995-01-03),
6. 4660949 - Automatic film sensitivity setting device for cameras (1987-04-28),
7. 4655568 - Automatic film sensitivity setting device for camera (1987-04-07),
8. 4650306 - Electromagnetically releasable shutter for a camera (1987-03-17),
9. 4648701 - Control circuit for program shutter (1987-03-10),
10. 4648700 - Distance detecting device for a camera (1987-03-10),
11. 4634254 - Electromagnetically actuated shutter for a camera (1987-01-06),
12. 4497560 - Control circuit for active type range finder (1985-02-05),
13. 4466727 - Shutter control circuit equipped with a flash light control signal (1984-08-21),
14. 4453725 - Road vehicle level controller (1984-06-12),
15. 4445029 - Distance detector using a photopotentiometer and a continuous detecting (1984-04-24),
Seiko Koki Kabushiki Kaisha (Seiko Precision Inc.) is a Japanese company specialized in manufacturing precision measuring instruments. With a history dating back to 1946, Seiko Koki has been at the forefront of technological advancements in the field of metrology. They offer a wide range of high-precision devices such as gauges, calipers, micrometers, hardness testers, and coordinate measuring machines (CMM). Their cutting-edge products are known for their accuracy, reliability, and durability. Seiko Koki Kabushiki Kaisha serves various industries including automotive, aerospace, medical, and electronics, ensuring precise measurements and quality control. Visit their website to explore their extensive range of precision measuring instruments and solutions for various industrial applications.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

135 Patents

#2 in

#894 in J

#5,810 in the World

...
J

Seiko Koki Kabushiki Kaisha

Forward Citations = 676

59 inventors:

goldMedal Kiyoshi Kitai (47 out of 47 patents)

silverMedal Masuo Ogihara (28 out of 44 patents)

bronzeMedal Tadashi Nakagawa (28 out of 37 patents)

4.  Shinji Nagaoka (26 out of 36 patents)

5.  Nobuo Shinozaki (25 out of 41 patents)

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