Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423591 | Semiconductor device and method for fabricating the same | — | 2002-07-23 |
| 6368937 | Method of manufacturing semiconductor device | — | 2002-04-09 |
| 6312994 | Semiconductor device and method for fabricating the same | — | 2001-11-06 |
| 6062850 | Paint curing oven | Masanori Ino, Susumu Nakahara, Yoshiyuki Nakai, Anthony Seccareccia | 2000-05-16 |
| 5776789 | Method for fabricating a semiconductor memory device | — | 1998-07-07 |
| 5712505 | Bipolar transistor having ring shape base and emitter regions | — | 1998-01-27 |
| RE35581 | Charging device | Hiromitsu Hirabayashi, Junji Araya, Noribumi Koitabashi | 1997-08-12 |
| 5592276 | Image fixing device with heater responsive to thermal stress | Yasumasa Ohtsuka, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa | 1997-01-07 |
| 5585894 | Process cartridge with a movable image bearing member as well as a contactable member, and an image forming apparatus having the same | Junji Araya, Noribumi Koitabashi, Hiromitsu Hirabayashi | 1996-12-17 |
| 5534987 | Fixing apparatus with variable fixing temperature | Yasumasa Ohtsuka, Takashi Soya, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa +4 more | 1996-07-09 |
| 5501992 | Method of manufacturing bipolar transistor having ring-shaped emitter and base | — | 1996-03-26 |
| 5464964 | Image heating apparatus changing set temperature in accordance with temperature of heater | Kouichi Okuda, Toshio Yoshimoto, Yasumasa Ohtsuka, Yohji Tomoyuki, Daizo Fukuzawa +2 more | 1995-11-07 |
| 5444521 | Image fixing device capable of controlling heating overshoot | Yohji Tomoyuki, Yasumasa Ohtsuka, Kouichi Okuda, Eihiro Sakaki, Akira Hayakawa +1 more | 1995-08-22 |
| 5439832 | Method for fabricating semiconductor device | — | 1995-08-08 |
| 5420679 | Elastic roller and fixing apparatus using same | Masahiro Goto, Yasushi Sato, Junji Araya, Tetsuo Saito, Kazuo Kishino +7 more | 1995-05-30 |
| 5420671 | Charger and image forming apparatus with same | Hiroki Kisu, Toshio Miyamoto, Yohji Tomoyuki, Junji Araya, Masanobu Saito | 1995-05-30 |
| 5367189 | Vertical semiconductor device | — | 1994-11-22 |
| 5365314 | Image heating apparatus capable of changing duty ratio | Kouichi Okuda, Yasumasa Ohtsuka, Yohji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa | 1994-11-15 |
| 5347463 | System and method for line production management | Toru Sakai | 1994-09-13 |
| 5290716 | Method of manufacturing semiconductor devices | — | 1994-03-01 |
| 5280155 | Image heater having film guide with projections | Yasumasa Ohtsuka, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa | 1994-01-18 |
| 5258642 | Semiconductor device having reduced parasitic capacitance | — | 1993-11-02 |
| 5253024 | Fixing apparatus with rectifier element | Koichi Okuda, Yoji Tomoyuki, Toshio Miyamoto, Junji Araya, Yukihiro Ohzeki +7 more | 1993-10-12 |
| 5220623 | Image processing apparatus which can shift reproduction position of image areas, character train, etc. | Toshiaki Yagasaki, Kimio Nakahata, Mitsuru Kurata, Kazuotshi Shimada, Toshiro Matsui | 1993-06-15 |
| 5210438 | Semiconductor resistance element and process for fabricating same | — | 1993-05-11 |