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Forward Citations = 22

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15 inventors (with patents filed for the assignee):

Hironao Okayama (2 out of 19 patents)

Yasuo Tahara (2 out of 5 patents)

Tsuneyuki Ide (2 out of 8 patents)

4. Akira Ikeda (1 out of 6 patents)

5. Kinji Saijo (1 out of 26 patents)

6. Hiroaki Okamoto (1 out of 10 patents)

7. Hiroaki Kawamura (1 out of 9 patents)

8. Yoshiyuki Sugimoto (1 out of 6 patents)

9. Setsuo Takaki (1 out of 1 patent)

10. Hiroshi Fujishige (1 out of 1 patent)

11. Yoshihiko Isobe (1 out of 11 patents)

12. Noriaki Kaguma (1 out of 5 patents)

13. Susumu Sigemasa (1 out of 2 patents)

14. Yoshiki Sakamoto (1 out of 5 patents)

15. Atsuo Tanaka (1 out of 19 patents)

4 patents: Sort by Forward Citations

1. 6777863 - Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube (2004-08-17),

2. 6583545 - Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube (2003-06-24),

3. 6531242 - Enclosed cell and sealer (2003-03-11),

4. 6200409 - Method and apparatus for manufacturing metallic sheet covered with thermoplastic resin (2001-03-13),

Toyo Kohan Co., Ltd. is a Japanese company primarily engaged in the manufacture and sale of various steel products. The company operates through two business segments: Steel Business and Printing, Packaging, and Information Business. Its products include tinplate, blackplate, tin-free steel, and laminated steel sheets. Toyo Kohan serves customers in the automotive, construction, and packaging industries worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#2,786 in Tokyo

#7,416 in Japan

Tokyo, Japan

Toyo Kohan., Ltd.