KH

Kohtaro Hayashi

MC Minolta Co.: 38 patents #5 of 1,416Top 1%
MI Minolta: 16 patents #117 of 1,109Top 15%
KO Konica Minolta Opto: 8 patents #37 of 418Top 9%
CH Chisso: 2 patents #331 of 833Top 40%
CC Chisso Engineering Co: 2 patents #2 of 9Top 25%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #29,532 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
6315415 Image projector Yasumasa Sawai, Shunta Takimoto, Kenji Konno 2001-11-13
6304381 Illumination optical apparatus 2001-10-16
6285502 Zoom lens system having an image blur compensation function Kenji Konno 2001-09-04
6278552 Polarization separation device and projection-type display apparatus Jun Ishihara 2001-08-21
6266189 Zoom lens system having an image blur compensating function Kenji Konno 2001-07-24
6231192 Projecting optical system Kenji Konno 2001-05-15
6226459 Apparatus having a driven member and a drive controller therefor Masataka Hamada, Kazuhiko Yukawa, Tetsuro Kanbara 2001-05-01
6204968 Zoom lens system having a camera shake compensating function 2001-03-20
6193376 Display apparatus Kenji Konno, Shunta Takimoto, Yasumasa Sawai, Shigeru Sawamura 2001-02-27
6188524 Optical system for use in an image projector Yasumasa Sawai, Shunta Takimoto, Kenji Konno 2001-02-13
6176586 Projection display apparatus Naoki Hirose 2001-01-23
6144497 Projection optical system Kenji Konno 2000-11-07
6123424 Optical system for use in an image projector Kenji Konno 2000-09-26
6116739 Color projection display apparatus Jun Ishihara, Ichiro Kasai 2000-09-12
6115186 Scanning type image viewing optical system Hideki Nagata, Ichiro Kasai, Soh Ohzawa, Akira Sato, Yasushi Kobayashi 2000-09-05
6097526 Scanning type image viewing optical system Hideki Nagata, Ichiro Kasai, Soh Ohzawa, Akira Sato, Yasushi Kobayashi 2000-08-01
6091550 Optical system for use in an image projector Yasumasa Sawai, Shunta Takimoto, Kenji Konno 2000-07-18
6085039 Apparatus having a driven member and a drive controller therefor Masataka Hamada, Kazuhiko Yukawa, Tetsuro Kanbara 2000-07-04
6046852 Lens system with image blur correction Kenji Konno 2000-04-04
6005712 Zoom viewfinder system for single reflex camera Yoshinobu Kudo, Hiromu Mukai, Makoto Ando, Ken Tanino, Akira Funahashi +1 more 1999-12-21
6002519 Taking optical system having a hand-shake correction function Shigeto Ohmori 1999-12-14
5973836 Optical system having an optical system shake compensating function Takashi Okada 1999-10-26
5815742 Apparatus having a driven member and a drive controller therefor Masataka Hamada, Kazuhiko Yukawa, Tetsuro Kanbara 1998-09-29
5627622 Trimming camera Hiroshi Ootsuka, Shigeru Wada, Junichi Tanii, Hiroshi Ueda, Masaaki Nakai +1 more 1997-05-06
5585965 Zoom viewfinder system for single reflex camera Yoshinobu Kudo, Hiromu Mukai, Makoto Ando, Ken Tanino, Akira Funahashi +1 more 1996-12-17