IO

Isao Okuda

PE Pentax: 30 patents #43 of 761Top 6%
PE Pentax: 19 patents #15 of 396Top 4%
HO Hoya: 8 patents #145 of 1,290Top 15%
Overall (All Time): #43,339 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
6624955 Lens barrel Hiroshi Nomura, Yoshihiro Yamazaki, Satoru Nakamura 2003-09-23
6519096 Lens barrel Hiroshi Nomura, Yoshihiro Yamazaki, Satoru Nakamura 2003-02-11
6466743 Real image type finder Toshio Nakagishi 2002-10-15
6249500 Disk loading system for a magneto-optical disk drive Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima 2001-06-19
6243333 Magneto-optical disk drive Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima, Takeharu Shin 2001-06-05
6011673 Vertical positioning system for a magnetic head base Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima, Takeharu Shin 2000-01-04
5995333 Positioning a magnetic head base of a magneto-optical disk drive Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima 1999-11-30
5970037 Magneto-optical disk apparatus Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima 1999-10-19
5933291 Magnetic head carriage locking system for magneto-optical disk drive Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima, Takeharu Shin 1999-08-03
5905696 Magneto-optical disk drive Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima, Takeharu Shin 1999-05-18
5896362 Lens Inclination Adjustment System Toshiyuki Kase, Hiroshi Nishikawa 1999-04-20
5894370 Inclination monitoring system Toshiyuki Kase, Hiroshi Nishikawa 1999-04-13
5883709 Inclination monitoring system including reflection of collimated light Toshiyuki Kase, Hiroshi Nishikawa 1999-03-16
5805363 Collimating lens unit Toshiyuki Kase, Hiroshi Nishikawa 1998-09-08
5768241 Shutter operating mechanism for magneto-optical disk drive Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima, Takeharu Shin 1998-06-16
5617387 Optical system for optical information recording/reproducing apparatus Takashi Morita, Suguru Takishima 1997-04-01
5608709 Beam splitter arrangement for magneto-optical recording device Shimpei Shinozaki, Hiroshi Kanazawa, Suguru Takishima 1997-03-04
5587973 Magneto-optical disk drive system with magnetic head retracting mechanism and manual cartridge ejecting mechanism Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima 1996-12-24
5577008 Magneto-optical disk drive system Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima 1996-11-19
5544144 Optical head structure having compactly arranged parts Suguru Takishima, Takashi Morita 1996-08-06
5477386 Optical system for optical disc apparatus including anamorphic prisms Suguru Takishima, Masahiro Oono, Koichi Maruyama, Masato Noguchi 1995-12-19
5416753 Magneto-optical disk drive system with head position adjustability Hiroshi Kanazawa, Shimpei Shinozaki, Suguru Takishima 1995-05-16
5373437 Device for and method of reducing cross talk in optical disk device Tsuyoshi Itoh, Hiroshi Nishikawa, Toshiyuki Kase, Ryota Ogawa, Masahiro Oono +2 more 1994-12-13
5321678 Optical head carriage, tracking mechanism and displacement detecting mechanism Suguru Takishima, Hiroshi Kanazawa, Shinpei Shinozaki 1994-06-14
5317144 Wave front aberration measuring apparatus having means for adjusting position of collimator lens Masahiro Oono, Tsuyoshi Itoh, Katsuki Hayashi, Toshiyuki Kase, Masahiko Sasaki +1 more 1994-05-31