Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356030 | Fluorescent luminous type display device | Shigeo Itoh, Kazuo Iwasawa, Tatsuo Yamaura | 2002-03-12 |
| 6249266 | Fluorescent display device and process for manufacturing same | Hisashi Nakata | 2001-06-19 |
| 6133678 | Field emission element | Kazuhiko Tsuburaya, Hisataka Ochiai, Takahiro Niiyama, Masaharu Tomita | 2000-10-17 |
| 6100637 | Field emission display (FED) with matrix driving, electron beam focusing and groups of strip-like electrodes used for the gate and anode | Yoichi Kobori, Shigeo Itoh, Takahiro Niiyama, Toshimitsu Fuyuki, Koji Onodaka | 2000-08-08 |
| 6084344 | Reduced thickness vacuum container with getter | Gentaro Tanaka, Shigeo Itoh, Takeshi Tonegawa | 2000-07-04 |
| 5965978 | Field emission display device with improved dielectric breakdown characteristic | Haruhisa Hirakawa, Kenichi Furumata | 1999-10-12 |
| 5949394 | Image display device and drive device therefor | Tatsuo Yamaura, Koji Onodaka, Shigeo Itoh | 1999-09-07 |
| 5786795 | Field emission display (FED) with matrix driving electron beam focusing and groups of strip-like electrodes used for the gate and anode | Yoichi Kobori, Shigeo Itoh, Takahiro Niiyama, Toshimitsu Fuyuki, Koji Onodaka | 1998-07-28 |
| 5754148 | Field emission type device, field emission type image displaying apparatus, and driving method thereof | Kazuyuki Yano, Mitsuru Tanaka | 1998-05-19 |
| 5721561 | Image display device and drive device therefor | Tatsuo Yamaura, Koji Onodaka, Shigeo Itoh | 1998-02-24 |
| 5703610 | Drive circuit for image display device | Koji Onodaka, Mitsuru Tanaka, Satoshi Yamaguchi | 1997-12-30 |
| 5703611 | Image display device and drive device therefor | Tatsuo Yamaura, Koji Onodaka, Shigeo Itoh | 1997-12-30 |
| 5633650 | Flat-type fluorescent display device | Shigeo Itoh, Tatsuo Yamaura, Teruo Watanabe, Kazuyoshi Ohtsu, Masateru Taniguchi | 1997-05-27 |
| 5408161 | Fluorescent display device | Hiroshi Watanabe | 1995-04-18 |
| 5402041 | Field emission cathode | Koichi Nishiuchi, Shigeo Itoh | 1995-03-28 |
| 5177330 | Key board switch | Hisamitsu Takahashi, Tatsuo Yamaura, Masao Miyagishima | 1993-01-05 |
| 5153483 | Display device | Yoichi Kobri | 1992-10-06 |
| 4899081 | Fluorescent display device | Minoru Katayama, Kazuyuki Yano, Isao Ohtsuka | 1990-02-06 |
| 4841194 | Fluorescent display device | Tadashi Mizohata | 1989-06-20 |
| 4633134 | Color fluorescent display device having anode conductors in zig-zag pattern | Tadashi Mizohata | 1986-12-30 |
| 4617491 | Fluorescent display device with interleaved anode and control electrode segments | Ikuo Marushima, Nobumitsu Kanetsuna | 1986-10-14 |
| 4486749 | Fluorescent display device | Tadashi Funazaki, Toshihiro Yamaguchi | 1984-12-04 |
| 4412213 | Driving circuit for a fluorescent display apparatus having fewer leads | Toshihiro Yamaguchi, Kazunori Tanaka | 1983-10-25 |
| 4325064 | Driving circuit for a fluorescent display apparatus having fewer leads | Toshihiro Yamaguchi, Kazunori Tanaka | 1982-04-13 |
| 4303917 | Fluorescent display device | Fumio Ichihara, Nobuo Yamaguchi | 1981-12-01 |