Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459842 | Self-luminous elements and method for producing the same | Takao Shiraga, Hirokazu Takanashi, Yoshimasa Uzawa | 2008-12-02 |
| 6407500 | Electrode structure in flat vacuum envelope | Kazuhiko Tsuburaya | 2002-06-18 |
| 6163107 | Field emission cathode | Shigeo Itoh, Takahiro Niiyama, Masaharu Tomita, Akira Inoue, Junji Itoh +1 more | 2000-12-19 |
| 5976412 | Fluorescent material | Shigeo Itoh, Hitoshi Toki, Yoshitaka Sato, Hisashi Kanie | 1999-11-02 |
| 5723224 | Phosphorescent material | Hitoshi Toki, Yoshihisa Yonezawa | 1998-03-03 |