TI

Tokuji Ishida

MI Minolta: 17 patents #6 of 355Top 2%
SK Suzuki Jidosha Kogyo: 1 patents #2 of 15Top 15%
📍 Daito, JP: #1 of 12 inventorsTop 9%
Overall (1989): #47 of 140,708Top 1%
18
Patents 1989

Issued Patents 1989

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
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
4862204 Focus detection device and method Masataka Hamada, Toshihiko Karasaki, Toshio Norita, Nobuyuki Taniguchi 1989-08-29
4862273 Focus condition detecting device for use in a camera Toshio Norita 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
4835615 Image sensor with improved response characteristics Nobuyuki Taniguchi, Toshihiko Karasaki, Masataka Hamada, Toshio Norita 1989-05-30
4831403 Automatic focus detection system Masataka Hamada, Kenji Ishibashi, Nobuyuki Taniguchi, Hiroshi Ootsuka, Toshio Norita +1 more 1989-05-16
4829943 V-type multiple cylinder engine 1989-05-16
4829170 Digital focus detecting device Katsumi Kozakai, Masataka Hamada 1989-05-09
4816861 Focus condition detecting device Nobuyuki Taniguchi, Masataka Hamada, Toshihiko Karasaki, Toshio Norita 1989-03-28
4816856 Automatic focus control device Masataka Hamada, Kenji Ishibashi, Nobuyuki Taniguchi, Hiroshi Ootsuka 1989-03-28
4809077 Solid state image sensor drive apparatus Toshio Norita, Masataka Hamada, Toshihiko Karasaki, Nobuyuki Taniguchi 1989-02-28
4808808 Focus detecting optical system including two prisms for light refraction Toshihiko Karasaki, Masataka Hamada, Toshio Norita, Nobuyuki Taniguchi 1989-02-28