HS

Hitoshi Shirai

OC Olympus Optical Co.: 7 patents #488 of 2,334Top 25%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Overall (All Time): #592,693 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4945372 Camera Tatsuji Higuchi, Kazuo Yamamoto, Yasuo Yamazaki, Yuichi Torikoshi, Kazuyuki Iwasa +1 more 1990-07-31
4764784 Camera with a built-in zoom lens Yuichi Torikoshi, Kazuyuki Iwasa, Hiroaki Miyazaki, Yasuo Yamazaki 1988-08-16
4621906 Auto-focus zoom lens assembly Akihiko Hashimoto, Kazutoshi Shiratori 1986-11-11
4572645 Exposure control device for camera Yoichi Yoshida, Akihiko Hashimoto, Tatsuya Suzuki, Hiroshi Akitake, Hirotsugu Nakazawa 1986-02-25
4508443 Lens barrel Minoru Matsuzaki, Akihiko Hachimoto, Takashi Inoue, Akira Watanabe, Ikuo Tofukuji 1985-04-02
4411509 Take-up assembly for automatic film loading of camera 1983-10-25
4368439 Frequency shift keying system Kiyoshi Shibuya 1983-01-11
4363547 Apparatus for mounting a film magazine into camera Akira Hashimoto 1982-12-14
4293931 Memory refresh control system Yoshikazu Tanaka, Yoshiharu Kan'o 1981-10-06