Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888521 | Photoconductive device and method of operating the same | Kenkichi Tanioka, Keiichi Shidara, Tatsuro Kawamura, Junichi Yamazaki, Eikyuu Hiruma +16 more | 1989-12-19 |
| 4884011 | Light-detecting device | Tatsuo Makishima, Tadaaki Hirai, Kazutaka Tsuji, Sachio Ishioka, Keiichi Shidara +2 more | 1989-11-28 |
| 4866332 | Target of image pickup tube | Yukio Takasaki, Tatsuo Makishima, Kazutaka Tsuji, Tadaaki Hirai, Eisuke Inoue +9 more | 1989-09-12 |
| 4860093 | Method and apparatus for driving a plurality of pick-up tubes having their cathodes supplied by a common negative potential | Keiichi Shidara, Masaaki Aiba, Yukio Takasaki, Tadaaki Hirai | 1989-08-22 |
| 4858994 | Adjustable headrest for automotive seat | — | 1989-08-22 |
| 4822907 | Method for recovering .alpha.-L-aspartyl-L-phenylalanine methyl ester | Katsumi Sugiyama, Toshihide Yukawa | 1989-04-18 |
| 4820861 | Process for the production of N-formyl-alpha-L-aspartyl-L-phenylalanine methyl ester | Toshihide Yukawa, Haruo Kawasaki, Masao Nakamura, Toshiaki Tsuji | 1989-04-11 |