TK

Tetsuo Kohno

MC Minolta Co.: 27 patents #30 of 1,416Top 3%
KI Konica Minolta Photo Imaging: 5 patents #7 of 106Top 7%
MI Minolta: 4 patents #411 of 1,109Top 40%
KO Konica Minolta Opto: 2 patents #169 of 418Top 45%
Overall (All Time): #83,469 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 25 most recent of 39 patents

Patent #TitleCo-InventorsDate
7692869 Image-taking lens unit Shinji Yamaguchi, Genta Yagyu 2010-04-06
7443599 Magnification varying optical system and image taking apparatus Mamoru Terada, Yoshihito Souma 2008-10-28
7408583 Taking lens apparatus Yoshito Iwasawa, Takashi Okada 2008-08-05
7388716 Variable magnification optical system and imaging device Shinji Yamaguchi, Genta Yagyu 2008-06-17
7382548 Variable magnification optical system Genta Yagyu, Shinji Yamaguchi 2008-06-03
7375900 Variable power optical system and image pickup apparatus Genta Yagyu, Shinji Yamaguchi 2008-05-20
7369326 Imaging optical system and image pickup apparatus Genta Yagyu, Shinji Yamaguchi 2008-05-06
7239460 Imaging optical unit and image pickup apparatus Genta Yagyu, Tsutomu Honda, Shinji Yamaguchi 2007-07-03
6532114 Zoom lens system Genta Yagyu 2003-03-11
6515809 Fixed focal length lens system 2003-02-04
6456443 Zoom lens system Genta Yagyu 2002-09-24
6449433 Taking lens device Hitoshi Hagimori, Masashi Isono 2002-09-10
6404561 Taking lens apparatus Masashi Isono, Hitoshi Hagimori 2002-06-11
6400515 Taking optical system, image taking apparatus, and method for converting frame-format in a taking optical system 2002-06-04
6373638 Image taking optical system and reduction optical system 2002-04-16
6249383 Image taking optical system 2001-06-19
6229655 Zoom lens system Genta Yagyu 2001-05-08
6215603 Lens holding structure in a lens block forming all or part of an optical system and method of assembling the lens block Masashi Isono, Tomoo Doi, Hiromu Mukai, Kazuhiko Ishimaru 2001-04-10
6191895 Zoom lens system Tetsuya Arimoto, Mamoru Terada, Takashi Okada, Kenji Konno, Kazuhiko Ishimaru 2001-02-20
6118592 Zoom lens system Kenji Konno, Mamoru Terada, Tetsuya Arimoto, Takashi Okada, Kazuhiko Ishimaru 2000-09-12
6101043 Zoom lens system Masashi Isono 2000-08-08
6081385 Optical system design and production method Kenji Konno, Hitoshi Hagimori 2000-06-27
6038084 Zoom lens system Takashi Okada, Tetsuya Arimoto, Mamoru Terada, Kenji Konno, Kazuhiko Ishimaru 2000-03-14
6028717 Zoom lens system Mituaki Shimo 2000-02-22
6025961 Zoom lens system having two lens units Hiroyuki Matsumoto, Tomoo Doi 2000-02-15