MS

Makoto Sekita

Canon: 59 patents #485 of 19,416Top 3%
Overall (All Time): #40,762 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
6633437 Zoom lens and photographing apparatus having it Koji Hoshi 2003-10-14
6616287 Optical element Fumiaki Kumagai 2003-09-09
6545819 Zoom lens and optical apparatus having the same Norihiro Nanba, Koji Hoshi, Hiroyuki Hamano 2003-04-08
6529330 Observation optical system and optical device having the same Takeshi Akiyama 2003-03-04
6498687 Zoom lens and optical apparatus having the same Hiroyuki Hamano 2002-12-24
6426841 Optical apparatus Keisuke Araki, Tsunefumi Tanaka, Kenichi Kimura, Norihiro Nanba, Hiroshi Saruwatari +1 more 2002-07-30
6366411 Reflecting type optical system Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more 2002-04-02
6339447 Image sensing apparatus Sunao Kurahashi, Kazuhiko Etoh, Shigeo Ogura, Nobuhiro Takeda, Kenji Takahashi 2002-01-15
6337772 Optical element, optical system using optical element, and optical device with optical element Tsukasa Uehara, Kenji Kawano, Seiji Iida 2002-01-08
6301064 Optical apparatus Keisuke Araki, Tsunefumi Tanaka, Kenichi Kimura, Norihiro Nanba, Hiroshi Saruwatari +1 more 2001-10-09
6292309 Reflecting type of zoom lens Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Nobuhiro Takeda +6 more 2001-09-18
6243208 Optical element, optical system using optical element, and optical device with optical element Tsukasa Uehara, Kenji Kawano, Seiji Iida 2001-06-05
6181470 Optical element having a plurality of decentered reflecting curved surfaces, and optical instrument including the same 2001-01-30
6166866 Reflecting type optical system Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more 2000-12-26
6124986 Zoom optical system and image pickup apparatus Tsunefumi Tanaka, Keisuke Araki, Kenichi Kimura, Norihiro Nanba, Hiroshi Saruwatari +1 more 2000-09-26
6021004 Reflecting type of zoom lens Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Nobuhiro Takeda +6 more 2000-02-01
5995287 Optical element having a plurality of decentered reflecting curved surfaces, and optical instrument including the same 1999-11-30
5973858 Reflecting optical system and optical apparatus 1999-10-26
5917662 Phototaking optical system and optical device 1999-06-29
5907434 Image pickup apparatus Masayoshi Sekine, Shigeki Okauchi, Tatsushi Katayama, Katsuhiko Mori 1999-05-25
5761553 Photographing device including viewfinder optical system having lens with asymmetrical dimensions 1998-06-02
5757423 Image taking apparatus Tsunefumi Tanaka, Sadahiko Tsuji, Kenichi Shinbori, Shigeo Ogura, Nobuhiro Takeda +5 more 1998-05-26
5694165 High definition image taking apparatus having plural image sensors Yasuyuki Yamazaki, Kenichi Shinbori, Tsunefumi Tanaka, Shigeo Ogura, Nobuhiro Takeda +4 more 1997-12-02
5682269 Objective lens device Kenichi Kimura 1997-10-28
5486861 Electronic camera with dual exposure and selective recording Ryosuke Miyamoto, Shohei Takeda 1996-01-23