Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334670 | Elastomer and process for production thereof | Yuji Uchida, Toshikazu Kaneda, Toshiaki Moriya, Tsutomu Kumazawa | 1994-08-02 |
| 5331621 | Optical pickup apparatus and a hologram element used for same | Takahiro Miyake, Katushiro Kubo, Tetsuo Ueyama, Yukio Kubata | 1994-07-19 |
| 5320898 | Paper suitable for ink fusion transfer type thermal printer and copiers, and a manufacturing method thereof | Masao Matsukawa, Yoshihiro Kuroyama, Teruhisa Shimada | 1994-06-14 |
| 5306788 | Elastomer and process for production thereof | Yuji Uchida, Toshikazu Kaneda, Toshiaki Moriya, Tsutomu Kumazawa | 1994-04-26 |
| 5283772 | Optical head | Takahiro Miyake, Yukio Kurata, Hideaki Sato | 1994-02-01 |
| 5283690 | Optical diffraction grating element | Takahiro Miyake, Yukio Kurata | 1994-02-01 |
| 5279924 | Manufacturing method of optical diffraction grating element with serrated gratings having uniformly etched grooves | Keiji Sakai, Katsuhiro Kubo, Yukio Kurata, Takahiro Miyake | 1994-01-18 |