Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7853166 | Image forming apparatus with operation disabling feature | Masakatsu Yamada, Tatsuyuki Yamamoto, Takafumi Katayama, Daigo Nakagawa, Hirohisa Sawada +1 more | 2010-12-14 |
| 7755815 | Image reading apparatus and image formation apparatus | Takafumi Katayama | 2010-07-13 |
| 7693444 | Image reading and recording apparatus having a cartridge dismounting space between a fixing unit and an exposing unit | Takafumi Katayama, Tatsuyuki Yamamoto | 2010-04-06 |
| 7597091 | Air-fuel ratio control apparatus and method for an internal combustion engine | Yusuke Suzuki, Yasushi Iwazaki, Toru Kidokoro, Hiroshi Sawada, Keiichiro Aoki | 2009-10-06 |
| 7241985 | Sheet conveying apparatus having supported openably upstream and downstream portions, image reading apparatus and image reading and forming apparatus | Takafumi Katayama, Tatsuyuki Yamamoto | 2007-07-10 |
| 6985692 | Image reading apparatus and image forming apparatus provided with the same | — | 2006-01-10 |
| 6970402 | Carrier mechanism | Takao Shimamura, Hideaki Yoshimura, Nobutaka Kawakita | 2005-11-29 |
| RE38613 | Method for growing a nitride compound semiconductor | Hiroji Kawai, Tsunenori Asatsuma | 2004-10-05 |
| 6686611 | Nitride semiconductor and a method thereof, a nitride semiconductor device and a method thereof | Hiroyuki Okuyama, Hiroshi Nakajima | 2004-02-03 |
| 6559977 | Reading/printing apparatus and reading apparatus | Keizo Sasai, Atsushi Saito, Hiroshi Ogushi, Kazuyuki Morinaga, Shigeyuki Sugiyama +3 more | 2003-05-06 |
| 6429032 | Nitride semiconductor and a method thereof, a nitride semiconductor device and a method thereof | Hiroyuki Okuyama, Hiroshi Nakajima | 2002-08-06 |
| 6426803 | Reading/printing apparatus and reading apparatus | Keizo Sasai, Atsushi Saito, Hiroshi Ogushi, Kazuyuki Morinaga, Shigeyuki Sugiyama +3 more | 2002-07-30 |
| 6413312 | Method for growing a nitride compound semiconductor | Hiroji Kawai, Tsunenori Asatsuma | 2002-07-02 |
| 6392763 | Sheet feeding apparatus and image forming apparatus | Takayuki Nishinohara, Atsushi Saito, Noriyuki Aoki | 2002-05-21 |
| 6290322 | Image recording method and apparatus | Hiroyuki Noguchi, Hiroshi Nobuta, Hisayoshi Matsui | 2001-09-18 |
| 6247784 | Ink jet cartridge replacement control | Katsumi Obana, Atsushi Saito, Keizo Sasai, Masanori Momose, Hiroshi Ogushi +5 more | 2001-06-19 |
| 6152442 | Sheet separating and conveying apparatus having friction releasing device to separate convey and friction means | Takayuki Nishinohara, Atsushi Saito, Daigo Nakagawa, Noriyuki Aoki | 2000-11-28 |
| 6130682 | Ink jet recording apparatus with detection of discharge malfunction | Takeshi Kohno, Atsushi Saito, Keizo Sasai, Hiroshi Ogushi, Katsumi Obana +1 more | 2000-10-10 |
| 6082847 | Image system with informing means | Takayuki Nishinohara, Atsushi Saito, Keizo Sasai, Hiroshi Ogushi, Takeshi Kohno +2 more | 2000-07-04 |
| 6059281 | Sheet feeding apparatus | Keizo Sasai | 2000-05-09 |
| 6043140 | Method for growing a nitride compound semiconductor | Hiroji Kawai, Tsunenori Asatsuma | 2000-03-28 |
| 5970217 | Ink jet recording apparatus with an inclined ink ejection surface | — | 1999-10-19 |
| 5800084 | Ink sheet cartridge and recording apparatus using the ink sheet cartridge | Hirohisa Sawada, Masakatsu Iwata, Keizo Sasai | 1998-09-01 |
| 5763353 | Hydrogenation catalyst precursor, hydrogenation catalyst and production process for alcohols | Yasuo Kadono, Yasuyuki Hattori, Masamitsu Horio | 1998-06-09 |
| 5610797 | Control panel apparatus for electronic devices | — | 1997-03-11 |