Issued Patents All Time
Showing 726–745 of 745 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650982 | Optical head for a disc reader | — | 1987-03-17 |
| 4641023 | Optical head | Akihiko Doi | 1987-02-03 |
| 4631395 | Optical apparatus for detecting the focusing state and positional accuracy of a light beam directed onto an optical disk tracking guide in an optical read/write system | — | 1986-12-23 |
| 4594953 | Button sewing machine | Hideo Kawaguchi, Yasuhiko Watanabe | 1986-06-17 |
| 4590870 | Apparatus for continuously forming stitches on a plurality of sewing portions | Hideo Kawaguchi, Yasuhiko Watanabe | 1986-05-27 |
| 4587648 | Optical disk | — | 1986-05-06 |
| 4586173 | Optical disk | — | 1986-04-29 |
| 4585933 | Optical apparatus and method for detecting the focusing state and positional accuracy of a light beam directed onto an optical disk tracking guide in an optical read/write system | — | 1986-04-29 |
| 4546460 | Videodisc autofocus device | — | 1985-10-08 |
| 4521680 | System for focusing a light beam on a light reflecting surface | — | 1985-06-04 |
| 4517666 | Optical head | — | 1985-05-14 |
| 4517113 | Process for removal of unreacted oil from surfactant slurry | Kentaro Kiyama, Kyozo Kitano | 1985-05-14 |
| 4450452 | Data recording medium | Toshiharu Nakagawa, Yoshinori Fujimori | 1984-05-22 |
| 4449138 | Information recording medium | — | 1984-05-15 |
| 4443806 | Data recording medium | — | 1984-04-17 |
| 4435343 | Method for manufacturing an information memory disk | Isao Suzuki | 1984-03-06 |
| 4432002 | Data recording medium and manufacturing method therefor | — | 1984-02-14 |
| 4411815 | Process for preparing odorless alkyl ether sulfate concentrates | Akira Hayashi, Kyozo Kitano | 1983-10-25 |
| 4403231 | Data recording medium | Toshiharu Nakagawa | 1983-09-06 |
| 4337165 | Amine oxide-and alkali metal chloride-containing non-corrosive liquid detergent composition | Akira Hayashi, Haruo Ohkouchi, Kyozo Kitano | 1982-06-29 |