AH

Akira Hiramatsu

Canon: 50 patents #722 of 19,416Top 4%
Overall (All Time): #54,935 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
4649311 Vibration wave motor Hitoshi Mukohjima 1987-03-10
4645964 Vibration wave motor Hitoshi Mukohjima 1987-02-24
4643557 Exposure control apparatus Akira Ishizaki, Akira Akashi, Keiji Ohtaka, Yasuo Suda 1987-02-17
4634915 Mount for surface wave motor Hitoshi Mukoujima, Hiroyasu Murakami, Makoto Katsuma 1987-01-06
4634255 Focus detection apparatus Yasuo Suda, Akira Ishizaki, Keiji Ohtaka, Akira Akashi 1987-01-06
4618236 Focus detecting apparatus Akira Akashi, Akira Ishizaki, Yasuo Suda, Keiji Ohtaka 1986-10-21
4560263 Drive system for a vibration wave motor for lens control Makoto Katsuma, Hiroyasu Murakami 1985-12-24
4555169 Focus detecting device for a camera Yasuo Suda, Akira Akashi, Akira Ishizaki, Keiji Ohtaka 1985-11-26
4529284 Electromagnetic release device Yoichi Tosaka, Masayuki Suzuki 1985-07-16
4513219 Vibration wave motor Makoto Katsuma, Hiroyasu Murakami 1985-04-23
4509848 Light measuring device for camera Makoto Katsuma, Kazuhiko Arakawa, Hiroyasu Murakami 1985-04-09
4504760 Piezoelectrically driven vibration wave motor Hiroshi Yamamoto, Makoto Katsuma, Hiroyasu Murakami 1985-03-12
4502771 Camera with a voice transmitting device Makoto Katsuma, Hiroyasu Murakami 1985-03-05
4495432 Piezoelectric vibration wave motor with sloped drive surface Makoto Katsuma, Hiroyasu Murakami 1985-01-22
4492453 Single lens reflex camera with mirror operating mechanism 1985-01-08
4491401 Diaphragm device Hiroyoshi Inaba, Akiyasu Sumi, Hidefumi Notagashira, Makoto Katsuma, Hiroyasu Murakami 1985-01-01
4483604 Focus detecting device with shielding 1984-11-20
4484099 Piezoelectric vibration wave motor with multiple traveling wave generating members Tohru Kawai, Makoto Katsuma, Hiroyasu Murakami, Naoya Kaneda 1984-11-20
4480904 Anti-mirror-bounce device for single-lens reflex camera 1984-11-06
4475803 Light measuring device for camera Makoto Katsuma, Kazuhiko Arakawa, Hiroyasu Murakami 1984-10-09
4473284 In-focus state detecting device for camera Masayoshi Yamamichi, Takashi Kawabata 1984-09-25
4465355 Single-lens reflex camera Hiroyasu Murakami, Makoto Katsuma 1984-08-14
4456351 Focus detecting device Masayoshi Yamamichi 1984-06-26
4449803 Indicating apparatus for electronic flash system of TTL light measurement type Masanori Yamada 1984-05-22
4420240 Tripartite camera with releasable coupling between each part Makoto Katsuma, Toyokazu Mizogui, Takashi Isobe, Hiroyasu Murakami, Toyoki Ishida 1983-12-13