TI

Tokuji Ishida

MI Minolta: 139 patents #2 of 1,109Top 1%
MC Minolta Co.: 10 patents #213 of 1,416Top 20%
SK Suzuki Jidosha Kogyo: 1 patents #29 of 121Top 25%
📍 Daito, JP: #1 of 468 inventorsTop 1%
Overall (All Time): #6,223 of 4,157,543Top 1%
150
Patents All Time

Issued Patents All Time

Showing 76–100 of 150 patents

Patent #TitleCo-InventorsDate
4950879 Focus detecting device for use with cameras Masataka Hamada 1990-08-21
4942418 Focus condition detecting device Toshio Norita, Masataka Hamada, Toshihiko Karasaki, Nobuyuki Taniguchi 1990-07-17
4935765 Automatic focus detecting apparatus Masataka Hamada, Toshio Norita, Masayuki Ueyama, Katsumi Kozakai, Hiroshi Ootsuka +2 more 1990-06-19
4931821 Automatic focus adjusting apparatus Masataka Hamada, Yasuaki Akada 1990-06-05
4924250 Automatic focus control device Masataka Hamada, Kenji Ishibashi, Nobuyuki Taniguchi, Hiroshi Ootsuka 1990-05-08
4922279 Automatic focus adjusting apparatus Masataka Hamada, Yasuaki Akada 1990-05-01
4916473 Focus detection apparatus Hiromu Mukai, Hisashi Tokumaru 1990-04-10
4916472 Automatic focus control device for camera Noriyuki Okisu, Masataka Hamada, Kenji Ishibashi 1990-04-10
4910548 Camera with a multi-zone focus detecting device Nobuyuki Taniguchi, Toshio Norita, Masataka Hamada, Toshihiko Karasaki 1990-03-20
4908505 System for detecting the focus condition of a cata-dioptric lens and interchangeable lens for use therewith Nobuyuki Taniguchi, Toshihiko Karasaki, Hiromu Mukai, Hisashi Tokumaru 1990-03-13
4905032 Automatic focus detecting device Toshio Norita, Masataka Hamada, Hiroshi Ootsuka 1990-02-27
4904854 Automatic focus detecting device having deviation compensation Toshio Norita, Hiroshi Ootsuka 1990-02-27
4905033 Image sensing system Toshio Norita, Jun Hasegawa 1990-02-27
4903065 Focus condition detecting device Nobuyuki Taniguchi, Toshihiko Karasaki, Hiromu Mukai, Hisashi Tokumaru 1990-02-20
4901101 Automatic focus control device for use in a camera system Masataka Hamada, Kenji Ishibashi 1990-02-13
4888609 Automatic focus adjusting apparatus Masataka Hamada, Yasuaki Akada 1989-12-19
4882601 Camera with an automatic focusing device Nishinomiya Taniguchi, Toshio Norita, Masataka Hamada, Toshihiko Karasaki 1989-11-21
4878076 Exposure controlling system and interchangeable lens therefor Nobuyuki Taniguchi, Toshihiko Karasaki, Hiromu Mukai, Hisashi Tokumaru 1989-10-31
4864117 Device with a discriminating priority system Katsumi Kozakai, Masataka Hamada 1989-09-05
4862273 Focus condition detecting device for use in a camera Toshio Norita 1989-08-29
4862204 Focus detection device and method Masataka Hamada, Toshihiko Karasaki, Toshio Norita, Nobuyuki Taniguchi 1989-08-29
4860045 Automatic focusing device Masataka Hamada 1989-08-22
4851657 Focus condition detecting device using weighted center or contrast evaluation Nobuyuki Taniguchi, Masataka Hamada, Toshihiko Karasaki, Toshio Norita 1989-07-25
4843417 Light measuring device Hiroshi Ootsuka, Hiromu Mukai 1989-06-27
4835562 Focus condition detecting device Toshio Norita, Masataka Hamada, Toshihiko Karasaki, Nobuyuki Taniguchi 1989-05-30