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For the Inventor, By the Inventor

Ayase, Japan

Ikeda Bussan Co. Ltd.

Calculating rank
USPTO Granted Patents = 317

% Expired Patents = 0.32

Forward Citations = 5,231

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243 inventors (with patents filed for the assignee):

goldMedal Tomonori Yoshida (15 out of 18 patents)

silverMedal Norio Yanagishita (15 out of 15 patents)

bronzeMedal Ichiro Matsuura (12 out of 16 patents)

4.  Yuji Tanaka (11 out of 15 patents)

5.  Fumio Miyauchi (11 out of 11 patents)

6.  Yoshihiko Yamauchi (11 out of 13 patents)

7.  Isamu Chinomi (10 out of 10 patents)

8.  Takayuki Mouri (10 out of 10 patents)

9.  Moriyuki Eguchi (9 out of 12 patents)

10.  Mikio Fujiwara (9 out of 9 patents)

11.  Nobuyuki Nakano (9 out of 10 patents)

12.  Hisayoshi Mizuno (8 out of 8 patents)

13.  Hidekazu Maruyama (8 out of 8 patents)

14.  Hideki Irie (8 out of 8 patents)

15.  Tohru Isomura (8 out of 8 patents)


Core Competencies:
Automotive Seat
Seatback
Reclining Device
Slide Device
Airbag
Foamed Seat Pad
Child Seat
Interior Finishing
Cushion Structure
Safety Arrangement
Fabric
Headrest

317 patents:

1. 6783177 - Seatback for automobile (2004-08-31),
2. 6520474 - Vehicle seat slide device (2003-02-18),
3. 6375262 - Automotive seat-back structure (2002-04-23),
4. 6371556 - Seat structure for vehicle (2002-04-16),
5. 6334969 - Method of manufacturing foamed seat pad with flat fastener (2002-01-01),
6. 6332651 - Seat for vehicle (2001-12-25),
7. 6332647 - Seat for vehicle (2001-12-25),
8. 6328384 - Coupling structure between seatback and armrest for vehicle (2001-12-11),
9. 6309020 - Lifter apparatus for vehicle (2001-10-30),
10. 6293622 - Seat device (2001-09-25),
11. 6276921 - Crushing apparatus for pad material (2001-08-21),
12. 6250714 - Seatback for automobile (2001-06-26),
13. 6241318 - Seat-back frame (2001-06-05),
14. 6196613 - Flattable seat structure of automobile (2001-03-06),
15. 6183033 - Automobile seat (2001-02-06),
Company Overview
Ikeda Bussan Co. Ltd. is a prominent player in the automotive industry, specializing in the development and manufacturing of advanced seating solutions. The company focuses on a range of technologies including automotive seats, seatbacks, reclining devices, and slide mechanisms. Additionally, Ikeda Bussan is involved in the production of safety features such as airbags and child seats, as well as innovative interior finishing materials. Headquartered in Ayase, Japan, the company is dedicated to enhancing passenger comfort and safety through its cutting-edge designs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

317 Patents

#1 in Ayase

#526 in Japan

#2,837 in the World

Ayase, JP
Ayase, Japan

Ikeda Bussan Co. Ltd.

Forward Citations = 5,231

243 inventors:

goldMedal Tomonori Yoshida (15 out of 18 patents)

silverMedal Norio Yanagishita (15 out of 15 patents)

bronzeMedal Ichiro Matsuura (12 out of 16 patents)

4.  Yuji Tanaka (11 out of 15 patents)

5.  Fumio Miyauchi (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ikeda Bussan Co. Ltd.. Retrieved from https://idiyas.com/company/ikeda-bussan-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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