MT

Masaaki Tsukamoto

NK Nippon Kogaku K.K.: 4 patents #88 of 382Top 25%
NI Nikon: 3 patents #1,048 of 2,493Top 45%
Brother Kogyo: 2 patents #1,845 of 2,767Top 70%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
Overall (All Time): #429,230 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5402203 Camera with automatic bracketing device Nobuo Matsukawa, Yasuaki Ishiguro, Masao Owashi, Ryuichi Mori 1995-03-28
5374047 Sheet feeder Mitsuyoshi Uehara 1994-12-20
5342504 Palladium-nickel alloy plating solution Tomio Hirano 1994-08-30
5294106 Image forming apparatus having detachable sheet cassette Kazuhiko Takagi, Eiji Yokota, Eiji Tanaka, Mitsuaki Inoue, Mitsuyoshi Uehara 1994-03-15
5177515 Waterproof camera 1993-01-05
4994829 Waterproof camera and lens mount therefore 1991-02-19
4757340 Focusing apparatus for camera 1988-07-12
4544252 Apparatus for displaying information in camera view finder 1985-10-01
4432533 Flame gunning of refractory linings Masuto Shimizu, Tadashi Morimoto, Motoyasu Yaji, Takao Suzuki, Shigeru Ogura 1984-02-21
4407574 Camera with focal plane shutter Naoki Tomino 1983-10-04
4353533 Bottom tuyeres in an oxygen top-blown converter Tatsukichi Chino, Takuo Imai, Ryuichi Asaho, Nagayasu Bessho, Kyoji Nakanishi 1982-10-12
4326785 Camera having a connector common to a flash bulb unit and an electronic flash unit Yuji Ohkubo, Naoki Tomino 1982-04-27