Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956833 | Objective driving device for an optical disk apparatus | Hiroshi Kokado, Suguru Takishima, Koichiro Nishikawa, Masahiko Sasaki, Isao Okuda +6 more | 1990-09-11 |
| 4783586 | Heating element made of carbon | — | 1988-11-08 |
| 4338404 | Gel permeation chromatographic packing and process for producing same utilizing suspension polymerization | Yasuyuki Tanaka, Kohji Noguchi | 1982-07-06 |