DT

Daisuke Tazawa

Canon: 14 patents #4,747 of 19,416Top 25%
Overall (All Time): #352,516 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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