KI

Keisuke Ichikawa

OL Olympus: 38 patents #30 of 3,097Top 1%
OI Olympus Imaging: 9 patents #28 of 341Top 9%
JA Jatco: 5 patents #132 of 871Top 20%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
SO Sony: 2 patents #12,963 of 25,231Top 55%
AM Amano: 1 patents #20 of 70Top 30%
📍 Shibuya, JP: #3 of 166 inventorsTop 2%
Overall (All Time): #48,999 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
9329369 Optical system and optical instrument, image pickup apparatus, and image pickup system using the same Yoshihiro Uchida, Kenichiro Abe 2016-05-03
9151937 Optical system and optical instrument, image pickup apparatus, and image pickup system using the same Yoshihiro Uchida, Kenichiro Abe 2015-10-06
9134517 Zoom lens and image pickup apparatus using the same 2015-09-15
9019621 Objective optical system and observation apparatus provided with the same Keisuke Takada 2015-04-28
9002601 Shift control apparatus of continuously variable transmission Tomoaki Kabe, Nobuhiko Morifuji, Nobuhide Kato, Yuki Ono, Hiromu Ogino +4 more 2015-04-07
8657720 Shift control apparatus for continuously variable transmission Tomoaki Kabe, Nobuhiko Morifuji, Nobuhide Kato, Yuki Ono, Hiromu Ogino +4 more 2014-02-25
8617029 Shift control apparatus for continuously variable transmission Tomoaki Kabe, Nobuhiko Morifuji, Nobuhide Kato, Yuki Ono, Hiromu Ogino +4 more 2013-12-31
8599491 Zoom lens and electronic imaging apparatus incorporating the same Toyoki Kon 2013-12-03
8593735 Image forming optical system and electronic image pickup apparatus using the same 2013-11-26
8520135 Image forming optical system and electronic image pickup apparatus equipped with same Shinichi Mihara, Masahito Ohashi 2013-08-27
8477230 Image forming optical system and electronic image pickup apparatus using the same Masaki Arakawa, Tetsuya Yanai 2013-07-02
8446512 Image forming optical system and electronic image pickup apparatus equipped with same Shinichi Mihara 2013-05-21
8351129 Zoom lens and electronic imaging apparatus incorporating the same Toyoki Kon 2013-01-08
8184376 Three unit zoom lens and image pickup apparatus equipped with same 2012-05-22
8165463 Zoom optical system and electronic imaging apparatus using the same Shinichi Mihara 2012-04-24
8081253 Zoom lens and image pickup apparatus equipped with same 2011-12-20
7965451 Zoom lens and electronic imaging apparatus using the same Masahito Ohashi, Masato Miyata 2011-06-21
7898743 Image forming optical system and electronic image pickup apparatus using image forming optical system Shinichi Mihara, Kanato Adachi, Yasunobu IGA, Koji Matsumoto, Kazuaki Murayama +2 more 2011-03-01
7848030 Image forming optical system and electronic image pickup apparatus using image forming optical system Shinichi Mihara, Kanato Adachi, Yasunobu IGA, Koji Matsumoto, Kazuaki Murayama +2 more 2010-12-07
7830613 Zoom lens and an imaging apparatus incorporating the same 2010-11-09
7800832 Image forming optical system and electronic image pickup apparatus using image forming optical system Shinichi Mihara, Kanato Adachi, Yasunobu IGA, Koji Matsumoto, Kazuaki Murayama +2 more 2010-09-21
7760441 Zoom lens and imaging apparatus incorporating the same Kenji Ono, Fumikazu Kanetaka 2010-07-20
7715108 Image forming optical system and electronic image pickup apparatus using image forming optical system Shinichi Mihara, Kanato Adachi, Yasunobu IGA, Koji Matsumoto, Kazuaki Murayama +2 more 2010-05-11
7535652 Zoom optical system and electronic imaging apparatus using the same Shinichi Mihara 2009-05-19
7522347 Zoom optical system and electronic imaging apparatus using the same Shinichi Mihara 2009-04-21