Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234985 | Method for manufacturing an electric emitting device with first and second carbon films | Fumio Kishi, Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto +2 more | 2007-06-26 |
| 7156291 | Recording media discard device, recording media discard system, and contents administration method | — | 2007-01-02 |
| 7057336 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Fumio Kishi, Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto +2 more | 2006-06-06 |
| 6608437 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Fumio Kishi, Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto +2 more | 2003-08-19 |
| 6353280 | Spacer for image-forming apparatus | Masaaki Shibata, Toyoko Kobayashi, Masato Yamanobe | 2002-03-05 |
| 6246168 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Fumio Kishi, Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto +2 more | 2001-06-12 |
| 6179678 | Method of manufacturing electron-emitting device electron source and image-forming apparatus | Fumio Kishi, Masato Yamanobe, Takeo Tsukamoto, Toshikazu Ohnishi, Keisuke Yamamoto +2 more | 2001-01-30 |
| 6153973 | Spacer and an image-forming apparatus, and a manufacturing method thereof | Masaaki Shibata, Toyoko Kobayashi, Masato Yamanobe | 2000-11-28 |
| 6017259 | Method of manufacturing electron-emitting device, electron source and image-forming apparatus | Taiko Motoi, Takeo Tsukamoto, Kumi Nakamura, Toyoko Kobayashi, Naoko Miura | 2000-01-25 |
| 5861227 | Methods and manufacturing electron-emitting device, electron source, and image-forming apparatus | Masato Yamanobe, Ichiro Nomura, Hidetoshi Suzuki, Yoshikazu Banno, Takeo Tsukamoto +5 more | 1999-01-19 |
| 5591061 | Apparatus for manufacturing electron source and image forming apparatus | Masato Yamanobe, Hisaaki Kawade, Toshikazu Ohnishi, Tatsuya Iwasaki | 1997-01-07 |
| 5365535 | Semiconductor laser and beam splitting devices, and optical information recording/reproducing, optical communication, and optomagnetic recording/reproducing apparatuses using semiconductor laser and beam splitting devices | Eiji Yamaguchi, Hiroaki Hoshi, Masakuni Yamamoto | 1994-11-15 |
| 5224114 | Semiconductor laser devices with a plurality of light emitting layers having different bands gaps and methods for driving the same | Jun Nitta | 1993-06-29 |
| 5124996 | Semiconductor laser element having a plurality of layers emitting lights of different wavelengths, and its driving method | — | 1992-06-23 |
| 5060235 | Semiconductor laser element selectively emitting lights of different wavelengths | — | 1991-10-22 |
| 5033053 | Semiconductor laser device having plurality of layers for emitting lights of different wavelengths and method of driving the same | Akira Shimizu | 1991-07-16 |
| 4993036 | Semiconductor laser array including lasers with reflecting means having different wavelength selection properties | Masahiro Okuda | 1991-02-12 |
| 4930132 | Second harmonic wave generating device having active layer and second harmonic wave generating layer on same substrate | Akira Shimizu | 1990-05-29 |
| 4896328 | Ridge waveguide-type semiconductor laser having a current recombination layer and an optical waveguide layer | Yoshinobu Sekiguchi | 1990-01-23 |
| 4799229 | Semiconductor laser array | Seiichi Miyazawa, Toshitami Hara, Hidetoshi Nojiri, Yoshinobu Sekiguchi, Mitsutoshi Hasegawa | 1989-01-17 |