Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8758971 | Image-forming method | Shigenori Ueda, Daisuke Tazawa, Tomohito Ozawa | 2014-06-24 |
| 8685611 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Yuu Nishimura | 2014-04-01 |
| 8630558 | Electrophotographic apparatus having an electrophotgraphic photosensitive member with an amorphous silicon carbide surface layer | Yuu Nishimura, Tomohito Ozawa | 2014-01-14 |
| 8465891 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Yuu Nishimura, Daisuke Tazawa | 2013-06-18 |
| 8445168 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Daisuke Tazawa, Yuu Nishimura | 2013-05-21 |
| 8440377 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Motoya Yamada, Daisuke Tazawa | 2013-05-14 |
| 8323862 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Yuu Nishimura | 2012-12-04 |
| 8173344 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Yuu Nishimura | 2012-05-08 |
| 8168365 | Method for manufacturing electrophotographic photosensitive member | Tomohito Ozawa, Yuu Nishimura | 2012-05-01 |
| 8088543 | Electrophotographic photosensitive member and electrophotographic apparatus | Hironori Owaki | 2012-01-03 |
| 7550180 | Plasma treatment method | Toshiyasu Shirasuna, Tatsuyuki Aoike, Hitoshi Murayama, Takashi Otsuka, Daisuke Tazawa +2 more | 2009-06-23 |
| 7498110 | Electrophotographic photosensitive member | Takahisa Taniguchi | 2009-03-03 |
| 7381510 | Electrophotographic photosensitive member and producing method therefore | Takahisa Taniguchi | 2008-06-03 |
| 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, Hitoshi Murayama, Shinji Tsuchida +2 more | 2006-05-30 |
| 6946167 | Deposited film forming apparatus and deposited film forming method | Kazuto Hosoi, Toshiyasu Shirasuna, Kazuhiko Takada, Ryuji Okamura, Hitoshi Murayama | 2005-09-20 |
| 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, Hitoshi Murayama, Shinji Tsuchida +2 more | 2005-03-01 |
| 6767593 | Apparatus and process for forming a deposited film | — | 2004-07-27 |
| 6761128 | Plasma treatment apparatus | Toshiyasu Shirasuna, Tatsuyuki Aoike, Hitoshi Murayama, Takashi Otsuka, Daisuke Tazawa +2 more | 2004-07-13 |
| 6712019 | Film forming apparatus having electrically insulated element that introduces power of 20-450MHz | — | 2004-03-30 |
| 6702898 | Deposited film forming apparatus | Kazuto Hosoi, Toshiyasu Shirasuna, Kazuhiko Takada, Ryuji Okamura, Hitoshi Murayama | 2004-03-09 |
| 6649020 | Plasma processing apparatus | Ryuji Okamura, Tatsuyuki Aoike, Toshiyasu Shirasuna, Kazuhiko Takada, Hitoshi Murayama | 2003-11-18 |
| 6486045 | Apparatus and method for forming deposited film | Takashi Otsuka, Tatsuyuki Aoike, Toshiyasu Shirasuna, Hitoshi Murayama, Daisuke Tazawa +1 more | 2002-11-26 |
| 6443191 | Vacuum processing methods | Hitoshi Murayama, Tatsuyuki Aoike, Toshiyasu Shirasuna, Takashi Ohtsuka, Daisuke Tazawa +2 more | 2002-09-03 |
| 6440504 | Vacuum processing apparatus and vacuum processing method | — | 2002-08-27 |
| 6413592 | Apparatus for forming a deposited film by plasma chemical vapor deposition | Ryuji Okamura, Toshiyasu Shirasuna, Kazuhiko Takada, Hitoshi Murayama | 2002-07-02 |