Issued Patents All Time
Showing 76–97 of 97 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027608 | Fixing device, image forming apparatus equipped therewith, and recording medium on which temperature control program is recorded | Toshiaki Kagawa, Atsuyoshi Nakayama | 2011-09-27 |
| 7734237 | Image forming apparatus with fixing fluid application device | — | 2010-06-08 |
| 7445012 | Hair iron | — | 2008-11-04 |
| 7365369 | Nitride semiconductor device | Shuji Nakamura, Koji Tanizawa, Tomotsugu Mitani, Hiroshi Marui | 2008-04-29 |
| 7366447 | Image forming apparatus having non-contact charging roller | Syohji Tomita, Hiroshi Onda, Atsuyuki Katoh, Hiroshi Ishii, Yoshinobu Okumura | 2008-04-29 |
| 7226500 | Additive for heating asphalt | Yuichi Honma, Ryoichi Tamaki | 2007-06-05 |
| 7167665 | Foreign material removing system, method of removing foreign material, printing apparatus and printing method | Syohji Tomita, Atsuyuki Katoh, Hiroshi Onda, Hiroshi Ishii | 2007-01-23 |
| 6791103 | Light-emitting gallium nitride-based compound semiconductor device | Shuji Nakamura, Naruhito Iwasa | 2004-09-14 |
| 6469323 | Light-emitting gallium nitride-based compound semiconductor device | Shuji Nakamura, Naruhito Iwasa | 2002-10-22 |
| 6215133 | Light-emitting gallium nitride-based compound semiconductor device | Shuji Nakamura, Naruhito Iwasa | 2001-04-10 |
| 6078063 | Light-emitting gallium nitride-based compound semiconductor device | Shuji Nakamura, Naruhito Iwasa | 2000-06-20 |
| 5880486 | Light-emitting gallium nitride-based compound semiconductor device | Shuji Nakamura, Naruhito Iwasa | 1999-03-09 |
| 5851262 | Method of refining molten metal | — | 1998-12-22 |
| 5753004 | Method for refining molten metal and apparatus for same | Noboru Hanai, Kokichi Mikutsu, Tamiya Kishida, Mitsuru Suzuki, Katsumi Kanamoto +2 more | 1998-05-19 |
| 5747832 | Light-emitting gallium nitride-based compound semiconductor device | Shuji Nakamura, Naruhito Iwasa | 1998-05-05 |
| 5734182 | Light-emitting gallium nitride-based compound semiconducor device | Shuji Nakamura, Naruhito Iwasa | 1998-03-31 |
| 5578839 | Light-emitting gallium nitride-based compound semiconductor device | Shuji Nakamura, Naruhito Iwasa | 1996-11-26 |
| 4664823 | Metal-working oil composition | Hiroshi Kuwamoto, Hiroyuki Nagamori, Shuichi Iwado | 1987-05-12 |
| 4663061 | Metal-working oil composition | Hiroshi Kuwamoto, Hiroyuki Nagamori, Shuichi Iwado, Yoshihiro Sakaguchi | 1987-05-05 |
| 4650595 | Metal working water-soluble lubricant composition and method of feeding same | Hiroyuki Nagamori, Rikio Tsushima, Hiroshi Kuwamoto, Shuichi Iwado, Takeru Sharyo | 1987-03-17 |
| 4637885 | Metal-working oil composition | Hiroshi Kuwamoto, Hiroyuki Nagamori, Shuichi Iwado | 1987-01-20 |
| 4626367 | Water-soluble metal-working lubricant composition | Hiroshi Kuwamoto, Hiroyuki Nagamori, Shuichi Iwado | 1986-12-02 |