Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408120 | Light-emitting device of gallium nitride compound semiconductor | Katsuhide Manabe, Masahiro Kotaki, Makoto Tamaki | 1995-04-18 |
| 5278433 | Light-emitting semiconductor device using gallium nitride group compound with double layer structures for the n-layer and/or the i-layer | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 1994-01-11 |
| 5205905 | Dry etching method for semiconductor | Masahiro Kotaki, Katsuhide Manabe, Masaki Mori | 1993-04-27 |
| 4946548 | Dry etching method for semiconductor | Masahiro Kotaki | 1990-08-07 |
| 4925810 | Compound semiconductor device and a method of manufacturing the same | Hiroyuki Kano, Takatoshi Kato | 1990-05-15 |
| 4816878 | Negative resistance semiconductor device | Hiroyuki Kano, Nobuhiko Sawaki | 1989-03-28 |
| 4804988 | Instant film pack | Minoru Ono | 1989-02-14 |
| 4316208 | Light-emitting semiconductor device and method of fabricating same | Hiroyuki Kobayashi | 1982-02-16 |