AA

Akihiro Arai

PE Pentax: 28 patents #47 of 761Top 7%
Canon: 26 patents #2,250 of 19,416Top 15%
PA Panasonic: 24 patents #737 of 21,108Top 4%
SH Shimadzu: 13 patents #92 of 2,007Top 5%
Sumitomo Electric Industries: 11 patents #2,408 of 21,551Top 15%
AK Asahi Kogaku Kogyo K.K.: 5 patents #14 of 180Top 8%
TK Tokyo Kogaku Kikai: 3 patents #27 of 143Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
TO Topcon: 2 patents #309 of 684Top 50%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
Overall (All Time): #10,812 of 4,157,543Top 1%
115
Patents All Time

Issued Patents All Time

Showing 26–50 of 115 patents

Patent #TitleCo-InventorsDate
9708149 Sheet processing apparatus including stacking tray on which sheets are stacked, and image forming system Akinobu Nishikata, Takashi Yokoya, Yutaka Ando 2017-07-18
9511973 Sheet stacking apparatus having tray that is lifted and lowered and image forming apparatus Yutaka Ando, Mitsuhiko Sato, Takashi Yokoya, Hiromasa Maenishi 2016-12-06
9505250 Image forming system and network management device including an image forming apparatus and an accessory device Mitsuhiko Sato, Toshiyuki Miyake, Takashi Yokoya, Hiromasa Maenishi, Yutaka Ando 2016-11-29
9365386 Sheet processing apparatus that performs post-processing, and image forming system having the same Yutaka Ando, Mitsuhiko Sato, Hiromasa Maenishi 2016-06-14
9303239 Method for cleaning microfluidic device and cleaning liquid 2016-04-05
9010743 Sheet stacking apparatus Toshiyuki Miyake, Mitsuhiko Sato, Shunsuke Nishimura, Takashi Yokoya, Hiromasa Maenishi +2 more 2015-04-21
8905394 Sheet post-processing apparatus with an alignment-side determination feature Toshiyuki Miyake, Mitsuhiko Sato, Takashi Yokoya, Hiromasa Maenishi, Yutaka Ando 2014-12-09
8905393 Sheet post-processing apparatus that performs buffer processing, and image forming apparatus Yutaka Ando, Mitsuhiko Sato, Toshiyuki Miyake, Takashi Yokoya, Hiromasa Maenishi 2014-12-09
8714538 Sheet stacking apparatus Toshiyuki Miyake, Mitsuhiko Sato, Shunsuke Nishimura, Takashi Yokoya, Hiromasa Maenishi +2 more 2014-05-06
8672314 Sheet stacking apparatus Mitsuhiko Sato, Toshiyuki Miyake, Shunsuke Nishimura, Takashi Yokoya, Yutaka Ando +2 more 2014-03-18
8662489 Sheet stacking apparatus Mitsuhiko Sato, Shunsuke Nishimura, Toshiyuki Miyake, Takashi Yokoya, Hiromasa Maenishi +2 more 2014-03-04
8493824 Optical head and optical disc device Fumitomo Yamasaki, Hideki Aikoh 2013-07-23
8325581 Optical head and optical disc device Fumitomo Yamasaki, Hideki Aikoh 2012-12-04
8187442 Microchip processing method and apparatus Nobuhiro Hanafusa, Koji Tanimizu 2012-05-29
8174939 Optical head and optical disc device Yoshiaki Komma 2012-05-08
8085645 Optical pickup device and optical disk apparatus Syougo Horinouchi, Hiroshi Shibata 2011-12-27
8085631 Tracking control device, tracking control method, and optical disc apparatus Takashi Kishimoto, Takeharu Yamamoto, Yoshirou Kashiwabara 2011-12-27
8068403 Optical head Takayuki Nagata, Joji Anzai, Hideki Aikoh, Eishin Mori, Kousei Sano +1 more 2011-11-29
8023368 Tilt sensor and optical disk drive 2011-09-20
7965612 Optical head, and information recording-and-regeneration apparatus Eishin Mori, Fumitomo Yamasaki, Joji Anzai 2011-06-21
7911890 Optical disk unit Takeharu Yamamoto 2011-03-22
7869331 Optical head, control method for optical head, and optical information processing apparatus Eishin Mori, Joji Anzai, Hideki Aikoh 2011-01-11
7821903 Optical pickup device and optical recording medium driving device Hideki Nakata, Hiroshi Shibata, Yoichi Yamamoto 2010-10-26
7773468 Optical head and optical information recorder/reproducer Fumitomo Yamasaki, Eishin Mori, Hideki Aikoh, Joji Anzai 2010-08-10
7746736 Optical head and optical disk device capable of detecting spherical aberration Fumitomo Yamasaki 2010-06-29