TH

Toshiaki Hirai

SC Seikosha Co.: 6 patents #56 of 312Top 20%
SP Seiko Precision: 4 patents #31 of 173Top 20%
📍 Yotsukaido, JP: #15 of 81 inventorsTop 20%
Overall (All Time): #526,523 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5997188 Plane shutter Kunioki Takahashi, Makoto Mikami 1999-12-07
5826124 Focal plane shutter Kunioki Takahashi, Makoto Mikami 1998-10-20
5719663 Range finder apparatus Atsushi Takami 1998-02-17
5608488 Data processing device for a camera Atsushi Takami, Shinichi Endo, Yoshihisa Kurosawa 1997-03-04
5559569 Motor driven shutter having focus adjusting and stop setting means Kazuo Akimoto 1996-09-24
5420660 Motor driven shutter activated by single motor having controllable clockwise and counterclockwise rotations Kazuo Akimoto 1995-05-30
5198849 Remote controller for a camera 1993-03-30
5032859 Shutter with lens drive mechanism Kazuo Akimoto, Miyoshi Tanikawa 1991-07-16
4985724 Automatic focus/exposure operation apparatus for camera Kazuo Akimoto, Miyoshi Tanikawa 1991-01-15
4937603 Multiple exposure photographic device for camera Yukio Morino, Yoichi Seki, Michitaka Nakazawa, Yusuke Konishi, Michio Taniwaki +2 more 1990-06-26