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% Expired Patents = 16.7

Forward Citations = 160

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33 inventors (with patents filed for the assignee):

Makoto Usui (2 out of 85 patents)

Kota Nishii (2 out of 13 patents)

Kazumasa Kaiwa (2 out of 3 patents)

4. Masahiro Tomatsu (2 out of 3 patents)

5. Katsura Adachi (2 out of 6 patents)

6. Kazuyuki Tamura (2 out of 2 patents)

7. Takashi Muraya (2 out of 2 patents)

8. Toshihiro Kobayashi (2 out of 3 patents)

9. Junichi Sato (2 out of 7 patents)

10. Takashi Kimura (1 out of 84 patents)

11. Toshihiro Suzuki (1 out of 141 patents)

12. Tetsuya Kobayashi (1 out of 116 patents)

13. Takeshi Gotoh (1 out of 28 patents)

14. Tetsuya Hamada (1 out of 75 patents)

15. Mari Sugawara (1 out of 28 patents)

6 patents: Sort by Forward Citations

1. 7015632 - Light source device, method of producing the same, and display apparatus (2006-03-21),

2. 6474826 - Lighting apparatus (2002-11-05),

3. 5909819 - Box-shaped plastic housing of integrally molded resin (1999-06-08),

4. 5254304 - Injection molding process for producing a box-shaped plastic housing (1993-10-19),

5. 5040098 - Backlight for an electronic display (1991-08-13),

6. 4920441 - Flexible magnetic diskette (1990-04-24),

Fujitsu Kasei Limited is a chemical manufacturer based in Japan. The company specializes in the production of performance chemicals, functional materials, and electronic materials for a variety of industries. With a focus on innovation and sustainability, Fujitsu Kasei Limited is dedicated to providing high-quality products and solutions to its customers worldwide.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

6 Patents

#108 in Yokohama

#5,983 in Japan

Yokohama, Japan

Fujitsu Kasei Limited