Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7671533 | Self-emission unit with integrally formed module and protecting frame | — | 2010-03-02 |
| 6768663 | Semiconductor device array having dense memory cell array and hierarchical bit line scheme | — | 2004-07-27 |
| 6580629 | Semiconductor device array having dense memory cell array and hierarchical bit line scheme | — | 2003-06-17 |
| 6333866 | Semiconductor device array having dense memory cell array and heirarchical bit line scheme | — | 2001-12-25 |
| 6104137 | Organic electroluminescent display device | Hirosi Abiko | 2000-08-15 |
| 5861649 | Trench-type semiconductor memory device | Hiroyuki Yoshida, Takayuki Niuya, Toshiyuki Nagata, Yoichi Miyai | 1999-01-19 |
| 5804478 | Method of forming a trench-type semiconductor memory device | Toshiyuki Nagata, Hiroyuki Yoshida, Takayuki Niuya | 1998-09-08 |
| 5574693 | Semiconductor memory device | Takashi Inui, Kiyotaka Okuzawa | 1996-11-12 |
| 5563433 | French-type semiconductor memory device with enhanced trench capacitor-transistor connection | Toshiyuki Nagata, Hiroyuki Yoshida, Takayuki Niuya | 1996-10-08 |
| 5514628 | Two-step sinter method utilized in conjunction with memory cell replacement by redundancies | Osaomi Enomoto, Yoichi Miyai, Yoshinobu Yoneoka | 1996-05-07 |
| 5488266 | Electro-luminescence device | Masaaki Aoki, Isao Yokotsuka | 1996-01-30 |
| 5470778 | Method of manufacturing a semiconductor device | Toshiyuki Nagata, Hiroyuki Yoshida, Takayuki Niuya, Katsushi Boku, Yoichi Miyai | 1995-11-28 |
| 5455796 | Semiconductor memory device | Takashi Inui, Kiyotaka Okuzawa | 1995-10-03 |
| 5317177 | Semiconductor device and method of manufacturing the same | Toshiyuki Nagata, Hiroyuki Yoshida, Takayuki Niuya, Katsushi Boku, Yoichi Miyai | 1994-05-31 |
| 5210446 | Substrate potential generating circuit employing Schottky diodes | Takayuki Niuya | 1993-05-11 |
| 4873940 | Image developing device | Toyoji Ishikawa, Toshio Kaneko, Shuichi Endo, Toshihiko Takaya | 1989-10-17 |
| 4788570 | Thin film developing device | Fuchio Takeda, Akito Yoshimaru, Shuichi Endoh, Toshio Kaneko, Toshihiko Takaya | 1988-11-29 |
| 4755847 | Electrostatic latent image developing apparatus | Hiroyuki Matsushiro, Toshio Kaneko, Fuchio Takeda, Toshihiko Takaya, Atsushi Shinozaki | 1988-07-05 |
| 4717965 | Portable image forming device | Harumitsu Mashiko, Yoshihiro Sakai, Syoji Hayashi, Tsuyoshi Yoshimura, Hisashi Kuroda +1 more | 1988-01-05 |
| 4412732 | Transfer medium separating device | Yoshihiro Abe, Harumi Takahashi | 1983-11-01 |
| 4408863 | Transfer medium separating device | Koji Sakamoto, Harumi Takahashi, Koji Hirakura | 1983-10-11 |
| 4389112 | Transfer sheet separating/conveying apparatus for use in electrophotographic copying machines | Yoshihiro Abe | 1983-06-21 |
| 4367032 | Electrostatic copying apparatus | Koji Sakamoto, Koji Hirakura, Harumi Takahashi | 1983-01-04 |
| 4210864 | Apparatus for sensing toner density using a stationary ferromagnetic mass within the toner to increase sensitivity | Seiichi Miyakawa, Susumu Tatsumi, Koji Sakamoto | 1980-07-01 |