KD

Kiyoshi Doi

Kubota: 1 patents #1,212 of 2,059Top 60%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
Overall (All Time): #1,282,640 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5895132 Exposure precision tester and exposure precision testing method for camera Yasuo Asakura, Shinya Takahashi, Akira Watanabe, Tadashi Ushiyama, Akira Inoue 1999-04-20
5497747 Engine with mechanical governor Keiichi Nakano, Kiyonobu Iida, Naoki Inoue 1996-03-12
4239364 Camera body mount 1980-12-16
4220003 Apparatus for generating rotational power 1980-09-02