Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8831481 | Electrophotographic apparatus having having temperature dependent photosensitive member | Tomohito Ozawa, Takanori Ueno | 2014-09-09 |
| 8758971 | Image-forming method | Kazuyoshi Akiyama, Shigenori Ueda, Tomohito Ozawa | 2014-06-24 |
| 8563203 | Electrophotographic photosensitive member and electrophotographic apparatus | Yuu Nishimura, Hironori Owaki | 2013-10-22 |
| 8465891 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Kazuyoshi Akiyama, Yuu Nishimura | 2013-06-18 |
| 8445168 | Electrophotographic photosensitive member and electrophotographic apparatus | Kazuyoshi Akiyama, Tomohito Ozawa, Yuu Nishimura | 2013-05-21 |
| 8440377 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Motoya Yamada, Kazuyoshi Akiyama | 2013-05-14 |
| 7550180 | Plasma treatment method | Toshiyasu Shirasuna, Tatsuyuki Aoike, Kazuyoshi Akiyama, Hitoshi Murayama, Takashi Otsuka +2 more | 2009-06-23 |
| 7051671 | Vacuum processing apparatus in which high frequency powers having mutually different frequencies are used to generate plasma for processing an article | Makoto Aoki, Toshiyasu Shirasuna, Hiroaki Niino, Kazuyoshi Akiyama, Hitoshi Murayama +2 more | 2006-05-30 |
| 6861373 | Vacuum processing method and semiconductor device manufacturing method in which high-frequency powers having mutually different frequencies are applied to at least one electrode | Makoto Aoki, Toshiyasu Shirasuna, Hiroaki Niino, Kazuyoshi Akiyama, Hitoshi Murayama +2 more | 2005-03-01 |
| 6761128 | Plasma treatment apparatus | Toshiyasu Shirasuna, Tatsuyuki Aoike, Kazuyoshi Akiyama, Hitoshi Murayama, Takashi Otsuka +2 more | 2004-07-13 |
| 6486045 | Apparatus and method for forming deposited film | Takashi Otsuka, Tatsuyuki Aoike, Toshiyasu Shirasuna, Kazuyoshi Akiyama, Hitoshi Murayama +1 more | 2002-11-26 |
| 6443191 | Vacuum processing methods | Hitoshi Murayama, Tatsuyuki Aoike, Toshiyasu Shirasuna, Kazuyoshi Akiyama, Takashi Ohtsuka +2 more | 2002-09-03 |
| 6294299 | Electrophotographic light-receiving member | Shinji Tsuchida, Hiroaki Niino, Satoshi Kojima | 2001-09-25 |
| 6250251 | Vacuum processing apparatus and vacuum processing method | Kazuyoshi Akiyama, Tatsuyuki Aoike, Toshiyasu Shirasuna, Hitoshi Murayama, Takashi Otsuka +1 more | 2001-06-26 |