KT

Katsuhiko Tsunefuji

OC Olympus Optical Co.: 22 patents #91 of 2,334Top 4%
Overall (All Time): #198,897 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
5719621 Film image reproducing apparatus 1998-02-17
5594517 Enlargement photographing apparatus 1997-01-14
5576784 Film transport device of camera Takashi Watanabe 1996-11-19
5473401 Camera having a locking mechanism for preventing accidental opening of a back cover 1995-12-05
5424790 Projection apparatus Ayumu Midorikawa 1995-06-13
5389983 Camera 1995-02-14
5298929 Camera Masaki Tokui, Sumio Kawai, Akira Watanabe, Koji Suzuki 1994-03-29
5111232 Camera having fuzzy inference function 1992-05-05
4618238 Camera Yoshihisa Maitani, Masafumi Yamasaki 1986-10-21
4589757 Camera Yoshihisa Maitani, Masafumi Yamasaki 1986-05-20
4589754 Camera Yoshihisa Maitani, Masafumi Yamasaki 1986-05-20
4589755 Camera Yoshihisa Maitani, Masafumi Yamasaki 1986-05-20
4571049 Photographic camera of multiple spot photometry type Masafumi Yamasaki 1986-02-18
4529289 Camera Masafumi Yamasaki 1985-07-16
4392729 Movable reflecting mirror for single lens reflex camera 1983-07-12
4332447 Electromagnetic shutter apparatus for camera 1982-06-01
4321570 Release electromagnet 1982-03-23
4315678 Electrical shutter of electromagnetic release type for camera having adjustable delay circuit for adjusting the precision of the electrical shutter 1982-02-16
4290681 Programmed shutter device Yoshihisa Maitani 1981-09-22
4272168 Photographic camera of automatic exposure control type Yoshihisa Maitani 1981-06-09
4231644 Electrical shutter for camera Isao Kondo 1980-11-04
4183646 Electrical shutter of electromagnetic release type for camera 1980-01-15