% Expired Patents = 60.0

EPO Patents = 4

Forward Citations = 1

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16 inventors (with patents filed for the assignee):

Takashi Sasaki (2 out of 195 patents)

Yasunobu Hashimoto (2 out of 55 patents)

Hideaki Yanagita (2 out of 3 patents)

4. Yoshiho Seo (1 out of 67 patents)

5. Takashi Naito (1 out of 99 patents)

6. Takahiko Kato (1 out of 39 patents)

7. Tomokatsu Kishi (1 out of 64 patents)

8. Keizo Suzuki (1 out of 67 patents)

9. Yuichiro Kimura (1 out of 18 patents)

10. Masahiro Watabe (1 out of 1 patent)

11. Toshiaki Onimaru (1 out of 1 patent)

12. Shinya Fukuta (1 out of 1 patent)

13. Shigeo Kasahara (1 out of 1 patent)

14. Naoki Itokawa (1 out of 17 patents)

15. Tetsuya Sakamoto (1 out of 21 patents)

5 patents: Sort by Forward Citations

1. 8179042 - Plasma display panel, plasma display panel unit, and method of manufacturing plasma display panel (2012-05-15),

2. 8179041 - Plasma display panel (2012-05-15),

3. 8119027 - Green phosphor and plasma display panel (2012-02-21),

4. 8094093 - Plasma display apparatus (2012-01-10),

5. 7995007 - Method for driving plasma display panel (2011-08-09),

Hitachi Plasma Display Limited specializes in manufacturing cutting-edge plasma display technology. With a strong focus on innovation and quality, the company has established itself as a leader in the industry. Known for their high-definition displays and energy-efficient solutions, Hitachi Plasma Display Limited continues to push the boundaries of visual technology.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#11 in Miyazaki

#6,651 in Japan

Miyazaki, Japan

Hitachi Plasma Display Limited