Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9990958 | Playback apparatus, method for the same, and recording medium | — | 2018-06-05 |
| 8692463 | Plasma display panel having inert film and manufacturing method | Minoru Hasegawa, Keiichi Betsui, Yasunobu Hashimoto | 2014-04-08 |
| 8634698 | Playback apparatus, method for the same, recording medium, and program | — | 2014-01-21 |
| 8207672 | Plasma display panel having a discharge stabilizer powder and method of manufacturing the same | Keiichi Betsui, Tadayoshi Kosaka, Minoru Hasegawa, Hajime Inoue, Yoshiho Seo +1 more | 2012-06-26 |
| 8119027 | Green phosphor and plasma display panel | Toshiaki Onimaru, Shigeo Kasahara | 2012-02-21 |
| 8114312 | Display device and green phosphor | Toshiaki Onimaru, Tomonari Misawa, Hironori Sakata, Shigeo Kasahara | 2012-02-14 |
| 7300605 | Phosphor and device using the same | Toshiaki Onimaru, Tomonari Misawa, Hironori Sakata | 2007-11-27 |
| 7138335 | Method of forming electrode for flat display panel | Osamu Toyoda | 2006-11-21 |
| 6861797 | green phosphor and device using the same | Toshiaki Onimaru, Tomonari Misawa | 2005-03-01 |
| 6242859 | Plasma display panel and method of manufacturing same | Keiichi Betsui, Akira Nakazawa, Shigeo Kasahara, Noriyuki Awaji | 2001-06-05 |
| 6236159 | Gas discharge panel having gas flow barriers and evacuation method thereof | Kazunori Inoue, Fumihiro Namiki, Keiichi Betsui, Tadayoshi Kosaka | 2001-05-22 |
| 6140760 | Cathode device having smaller opening | Osamu Toyoda, Keiichi Betsui, Tadashi Nakatani | 2000-10-31 |
| 6037713 | Display panel having compound film covered electrodes | Shigeo Kasahara | 2000-03-14 |
| 5932962 | Electron emitter elements, their use and fabrication processes therefor | Tadashi Nakatani, Keiichi Betsui | 1999-08-03 |
| 5791960 | Display device and fabrication method therefor | Shigeo Kasahara | 1998-08-11 |
| 5775968 | Cathode device having smaller opening | Osamu Toyoda, Keiichi Betsui, Tadashi Nakatani | 1998-07-07 |
| 5587720 | Field emitter array and cleaning method of the same | Keiichi Betsui | 1996-12-24 |
| 5576594 | Cathode device having smaller opening | Osamu Toyoda, Keiichi Betsui, Tadashi Nakatani | 1996-11-19 |
| 5389026 | Method of producing metallic microscale cold cathodes | Keiichi Betsui | 1995-02-14 |