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For the Inventor, By the Inventor

Tokyo, Japan

Archem Inc.

Calculating rank
USPTO Granted Patents = 30


Trademarks = 5

Forward Citations = 5

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36 inventors (with patents filed for the assignee):

goldMedal Yoshiyuki Takahashi (13 out of 46 patents)

silverMedal Yukiko Yamaguchi (10 out of 11 patents)

bronzeMedal Taichi Itabashi (8 out of 12 patents)

4.  Taisuke Yonezawa (7 out of 22 patents)

5.  Satoshi Ienaga (4 out of 4 patents)

6.  Toshimitsu Shinohara (3 out of 8 patents)

7.  Hideaki Mogi (2 out of 30 patents)

8.  Sho Ikeda (2 out of 20 patents)

9.  Yukiko Tsugawa (2 out of 5 patents)

10.  Hiroyuki Nagayama (2 out of 7 patents)

11.  Makoto Otsuru (2 out of 5 patents)

12.  Akira Hashizume (2 out of 7 patents)

13.  Kaori Okumoto (2 out of 2 patents)

14.  Akihiko Kawasaka (2 out of 5 patents)

15.  Yoji Shimura (2 out of 8 patents)


Core Competencies:
Seat Pad
Foam Molded Body
Porous Structure
Cushion Material
Resin Foam
Sound Insulation
Molding Die
Conductive Roller
Vehicle Seat
Filling Body
Manufacturing Method
Cushion Member

30 patents:

1. 12773835 - Seat covering material and seat (2026-10-27),
2. 12686306 - Seat pad and seat pad manufacturing method (2026-07-21),
3. 12636820 - Method for manufacturing foam molded body (2026-05-26),
4. 12589684 - Seat pad and method for manufacturing seat pad (2026-03-31),
5. 12471716 - Porous structural body and porous structural body manufacturing method (2025-11-18),
6. 12466344 - Seat pad and seat pad manufacturing method (2025-11-11),
7. 12447879 - Porous structure and method for manufacturing porous structure (2025-10-21),
8. 12390964 - Mold, degassing tool, and method for producing resin foam (2025-08-19),
9. 12344143 - Filling-body manufacturing method, passenger-seat-cushion-member manufacturing method, and filling body (2025-07-01),
10. 12304178 - Cushion material and cushion material manufacturing method (2025-05-20),
11. 12179648 - Passenger-seat-cushion-member manufacturing method, passenger-seat cushion member, filling-body manufacturing method, and filling body (2024-12-31),
12. 12117740 - Charging roller and image forming apparatus (2024-10-15),
13. 12108881 - Seat pad and seat pad manufacturing method (2024-10-08),
14. D1035329 - Cushion material (2024-07-16),
15. D1033985 - Cushion material (2024-07-09),
Company Overview
Archem Inc. is a Tokyo-based company specializing in advanced chemical solutions and materials. The organization focuses on the development and manufacturing of innovative products that cater to various industries, including electronics, automotive, and healthcare. With a commitment to research and development, Archem leverages cutting-edge technologies to enhance product performance and sustainability. The company aims to address complex challenges in material science, contributing to advancements in both domestic and international markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

30 Patents

#1,062 in Tokyo

#2,307 in Japan

#21,924 in the World

Tokyo, JP
Tokyo, Japan

Archem Inc.

Forward Citations = 5

36 inventors:

goldMedal Yoshiyuki Takahashi (13 out of 46 patents)

silverMedal Yukiko Yamaguchi (10 out of 11 patents)

bronzeMedal Taichi Itabashi (8 out of 12 patents)

4.  Taisuke Yonezawa (7 out of 22 patents)

5.  Satoshi Ienaga (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Archem Inc.. Retrieved from https://idiyas.com/company/archem

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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