Issued Patents All Time
Showing 76–87 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670799 | Erasing apparatus | Tokihiko Ogura | 1987-06-02 |
| 4553823 | Large relative aperture objective lens | Masatake Kato | 1985-11-19 |
| 4501800 | Magnetic recording media comprising organosilicones in a magnetic layer thereof | Kuniharu Fujiki | 1985-02-26 |
| 4466710 | Large relative aperture objective lens | Masatake Kato | 1984-08-21 |
| 4464023 | Large relative aperture objective | Masatake Kato | 1984-08-07 |
| 4349265 | Support structure for the aperture signal transmitting means in a camera lens assembly | Kazufumi Kobayashi | 1982-09-14 |
| 4322154 | Mounting mechanism for the interchangeable lens assembly of a camera | Akiyasu Sumi | 1982-03-30 |
| 4302076 | Optical element mounting device | — | 1981-11-24 |
| 4247190 | Lens assembly coupling device for camera system | Taizo Mitani, Takashi Isobe, Masao Aoyagi, Akiyasu Sumi, Katsumi Tanaka | 1981-01-27 |
| 4230403 | Mounting for interchangeable camera lens assembly with diaphragm means | Taizo Mitani, Takashi Isobe, Masao Aoyagi, Akiyasu Sumi, Katsumi Tanaka | 1980-10-28 |
| 4226505 | Holding device for a lens of an interchangeable lens assembly | Akira Masuda, Katura Mochizuki, Akira Satoh, Koshi Takeuchi, Teruhisa Oda | 1980-10-07 |
| 4220548 | Shampoo composition comprising calcium or magnesium anionic surfactants and quaternary nitrogen-containing cellulose ethers | Toru Ono | 1980-09-02 |