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For the Inventor, By the Inventor

Yokohamashi, Japan

Ohi Seisakusho Co., Ltd.


USPTO Granted Patents = 242



Forward Citations = 4,180

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192 inventors (with patents filed for the assignee):

goldMedal Jun Yamagishi (21 out of 21 patents)

silverMedal Fumio Kobayashi (21 out of 21 patents)

bronzeMedal Mikio Honma (17 out of 17 patents)

4.  Ryoji Shimura (16 out of 28 patents)

5.  Osamu Kawanobe (15 out of 18 patents)

6.  Hatsuo Hayakawa (15 out of 15 patents)

7.  Hiroshi Yamazaki (12 out of 51 patents)

8.  Hitoshi Nakamura (12 out of 69 patents)

9.  Kouichi Shigematsu (10 out of 10 patents)

10.  Yuichi Kato (9 out of 25 patents)

11.  Shigenori Taga (8 out of 8 patents)

12.  Akihiro Takeda (8 out of 8 patents)

13.  Tsutomu Aihara (8 out of 8 patents)

14.  Hidemasa Hirakui (8 out of 9 patents)

15.  Tatsuyuki Takaishi (8 out of 8 patents)


Core Competencies:
Vehicle Door Latch
Power Window Apparatus
Automotive Lock Assembly
Window Regulator
Automatic Door Operating Device
Hinge Mechanism
Cable Guide Structure
Sunroof Apparatus
Opening And Closing Device
Drive Device
Tension Controller
Door Lock Apparatus

242 patents:

1. 7699362 - Vehicle door latch apparatus (2010-04-20),
2. 7627989 - Drive device for wire-type window regulator (2009-12-08),
3. 7627988 - Mounting structure of a power window apparatus (2009-12-08),
4. 7591104 - Mounting structure of a power window apparatus (2009-09-22),
5. 7556577 - Wire reciprocating device (2009-07-07),
6. 7448237 - Rotational element position detector for door latch assembly (2008-11-11),
7. 7445256 - Automotive door latch device (2008-11-04),
8. 7341304 - Opening/closing device for vehicle (2008-03-11),
9. 7287804 - Tension controller and opening-and-closing device for vehicle having the same (2007-10-30),
10. 7261337 - Hood latch device for motor vehicle (2007-08-28),
11. 7255383 - Vehicular electrical disengaging door latch apparatus (2007-08-14),
12. 7216901 - Operation force transmitting member for door lock apparatus (2007-05-15),
13. 7172469 - Structure of bonding plastic part insert-molded with wiring board and method of bonding the same (2007-02-06),
14. 7121043 - Actuating device for open/close member of vehicle (2006-10-17),
15. 7100326 - Drive device having a cable adjusting feature for a sliding body (2006-09-05),
Ohi Seisakusho Co., Ltd. specializes in manufacturing and distributing high-quality machinery and equipment. With a focus on precision and innovation, we provide cutting-edge solutions to various industries, including automotive, electronics, and medical. Our wide range of products includes machining centers, lathes, grinding machines, and custom-made machinery. With over 50 years of experience, Ohi Seisakusho remains committed to delivering reliable and efficient solutions that meet the evolving needs of our customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

242 Patents

#2 in Yokohamashi

#596 in Japan

#3,452 in the World

...
Yokohamashi, Japan

Ohi Seisakusho Co., Ltd.

Forward Citations = 4,180

192 inventors:

goldMedal Jun Yamagishi (21 out of 21 patents)

silverMedal Fumio Kobayashi (21 out of 21 patents)

bronzeMedal Mikio Honma (17 out of 17 patents)

4.  Ryoji Shimura (16 out of 28 patents)

5.  Osamu Kawanobe (15 out of 18 patents)

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