Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648859 | Liquid crystal microprism array, free-space optical interconnector, and optical switch | Katsuhiko Hirabayashi, Tsuyoshi Yamamoto, Hirofumi Yamazaki | 1997-07-15 |
| 5217850 | Optical recording disk and manufacturing method thereof | Seiro Fujii, Satoshi Jinno, Takamasa Yoshikawa, Takahiro Kobayashi, Masataka Yamaguchi +4 more | 1993-06-08 |
| 5087340 | Method of making magneto-optical recording disk | Nobuaki Onagi, Shinichiro Suzuki, Seiro Fujii, Takahiro Kobayashi, Takamasa Yoshikawa +1 more | 1992-02-11 |
| 4711861 | Sintered aluminum nitride body and method for making | Kentaro Sawamura, Yoshio Kosaka | 1987-12-08 |
| 4672046 | Sintered aluminum nitride body | Kentaro Sawamura, Yoshio Kosaka | 1987-06-09 |
| 4650774 | Magnetic head slider material | Yukio Kawaguchi | 1987-03-17 |
| 4471028 | Honeycomb core diaphragm | Masami Kimura | 1984-09-11 |