Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12272745 | Semiconductor device | Hiromitsu Kato, Toshiharu Makino, Satoshi Yamasaki, Tsubasa Matsumoto, Norio Tokuda +1 more | 2025-04-08 |
| 11180865 | Foundation substrate for producing diamond film and method for producing diamond substrate using same | Hitoshi Noguchi, Toshiharu Makino, Hiromitsu Kato, Hiroyuki Kawashima, Satoshi Yamasaki +1 more | 2021-11-23 |
| 11066757 | Diamond substrate and freestanding diamond substrate | Hitoshi Noguchi, Shozo Shirai, Toshiharu Makino, Hiromitsu Kato, Hiroyuki Kawashima +6 more | 2021-07-20 |
| 10253426 | Method for manufacturing diamond substrate | Hitoshi Noguchi, Shozo Shirai, Toshiharu Makino, Hiromitsu Kato, Hiroyuki Kawashima +6 more | 2019-04-09 |
| 10100435 | Method for manufacturing diamond substrate | Hitoshi Noguchi, Shozo Shirai, Toshiharu Makino, Hiromitsu Kato, Hiroyuki Kawashima +6 more | 2018-10-16 |
| 10066317 | Method for manufacturing a single crystal diamond | Hitoshi Noguchi, Daisuke Takeuchi, Satoshi Yamasaki, Hiromitsu Kato, Toshiharu Makino +1 more | 2018-09-04 |
| 9711638 | Semiconductor device using diamond | Kazuhiro Oyama, Toshiharu Makino, Hiromitsu Kato, Daisuke Takeuchi, Satoshi Yamasaki +3 more | 2017-07-18 |
| 9634190 | White light-emitting element | Toshiharu Makino, Satoshi Yamasaki, Hideyo Ookushi, Hiromitsu Kato, Daisuke Takeuchi | 2017-04-25 |
| 9478619 | Diamond semiconductor device and method for manufacturing same | Hiromitsu Kato, Toshiharu Makino, Daisuke Takeuchi, Satoshi Yamasaki, Mutsuko Hatano +1 more | 2016-10-25 |
| 9136400 | Semiconductor device | Satoshi Tanimoto, Norihiko Kiritani, Toshiharu Makino, Norio Tokuda, Hiromitsu Kato +2 more | 2015-09-15 |
| 8624263 | Diamond semiconductor device and method of manufacturing the same | Hiromitsu Kato, Toshiharu Makino, Hideyo Okushi, Satoshi Yamasaki | 2014-01-07 |
| 8592824 | High efficiency indirect transition semiconductor ultraviolet light emitting device | Satoshi Yamasaki, Toshiharu Makino, Hideyo Ookushi, Norio Tokuda, Hiromitsu Kato +3 more | 2013-11-26 |
| 7228084 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2007-06-05 |
| 7062193 | Fixing device that is detachable from an image forming apparatus | Satoshi Kinouchi, Osamu Takagi, Kazuhiko Kikuchi, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2006-06-13 |
| 6813456 | Fixing device | Satoshi Kinouchi, Osamu Takagi, Kazuhiko Kikuchi, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2004-11-02 |
| 6756086 | Method for the fabrication of a diamond semiconductor | Masataka Hasegawa, Daisuke Takeuchi, Hideyo Okushi, Naoto Kobayashi, Sadanori Yamanaka | 2004-06-29 |
| 6748184 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2004-06-08 |
| 6727171 | Diamond pn junction diode and method for the fabrication thereof | Daisuke Takeuchi, Hideyuki Watanabe, Hideyo Okushi, Masataka Hasegawa, Naoto Kobayashi +2 more | 2004-04-27 |
| 6660979 | Fixing device including an electromagnetic inductive coil member providing inductive heating | Osamu Takagi, Satoshi Kinouchi, Kazuhiko Kikuchi, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2003-12-09 |
| 6625405 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2003-09-23 |
| 6522846 | Fixing device having connection member for supplying AC current to an electromagnetic induction coil | Satoshi Kinouchi, Osamu Takagi, Kazuhiko Kikuchi, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2003-02-18 |
| 6507008 | Image forming apparatus and fixing device for fixing a toner image to a fixing device | Hiroshi Nakayama, Hisaaki Kawano, Kenji Takano, Taizo Kimoto, Noriyuki Umezawa +3 more | 2003-01-14 |
| 6498906 | Image forming apparatus having fixing device for fixing developer image on recording medium by induction-heating heat roller | Taizo Kimoto, Hisaaki Kawano, Hiroshi Nakayama, Kenji Takano, Noriyuki Umezawa +3 more | 2002-12-24 |
| 6495810 | Fixing device using induction heating as a heating source | Osamu Takagi, Satoshi Kinouchi, Kazuhiko Kikuchi, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2002-12-17 |
| 6496665 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hisaaki Kawano, Hiroshi Nakayama +3 more | 2002-12-17 |