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% Expired Patents = 16.7

Forward Citations = 10

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17 inventors (with patents filed for the assignee):

Kazuhiko Nakayama (2 out of 41 patents)

Manabu Matsumoto (1 out of 14 patents)

Hiroaki Inui (1 out of 12 patents)

4. Hirofumi Kitano (1 out of 15 patents)

5. Etsurou Hirota (1 out of 6 patents)

6. Hiroshi Kawate (1 out of 4 patents)

7. Yoji Fujimori (1 out of 8 patents)

8. Kazumi Okada (1 out of 4 patents)

9. Taiki Katayama (1 out of 2 patents)

10. Koji Kido (1 out of 7 patents)

11. Michiko Mori (1 out of 3 patents)

12. Kiyofumi Toyama (1 out of 8 patents)

13. Yoshio Aoshima (1 out of 10 patents)

14. Chikao Shimizu (1 out of 6 patents)

15. Michio Matsumura (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 10870254 - Interlayer film for laminated glass and laminated glass (2020-12-22),

2. 10865425 - System for producing organic substance and method for producing organic substance (2020-12-15),

3. 10850476 - Interlayer for laminated glass, laminated glass, and production method for interlayer for laminated glass (2020-12-01),

4. 10836143 - Interlayer film for laminated glass, roll, and laminated glass (2020-11-17),

5. 7858683 - Interlayer film for laminated glass and laminated glass (2010-12-28),

6. 7854871 - Method for producing polyolefin-based resin crosslinked foamed sheet and polyolefin-based resin crosslinked foamed sheet (2010-12-21),

Sekisui Chemical Co., Ltd. is a global leader in advanced materials and innovative solutions, specializing in the development of high-performance plastics, chemicals, and construction materials. Founded in 1947, the company operates in various sectors including healthcare, housing, and infrastructure, focusing on sustainability and technological advancement. With a commitment to enhancing quality of life, Sekisui Chemical aims to create a better future through its diverse product offerings and global presence.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

6 Patents

#650 in Osaka

#5,983 in Japan

Osaka, Japan

Sekisuichemicalco.,ltd.