Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6510672 | Tubular graphite body capable of storing hydrogen gas and its manufacturing method | Sohji Tsuchiya, Akira Taomoto | 2003-01-28 |
| 5863601 | Process of producing graphite fiber | Rie Kikuchi, Masako Yudasaka | 1999-01-26 |
| 5316640 | Fabricating method of micro lens | Shinichi Wakabayashi, Hitomaro Tougou, Yukio Toyoda | 1994-05-31 |
| 4476620 | Method of making a gallium nitride light-emitting diode | Yukio Toyoda, Hiroyuki Kobayashi, Isamu Akasaki | 1984-10-16 |
| 4473938 | Method for making a GaN electroluminescent semiconductor device utilizing epitaxial deposition | Hiroyuki Kobayashi, Yukio Toyoda, Isamu Akasaki | 1984-10-02 |
| 4408217 | GaN Electroluminescent semiconductor device and method for making the same | Hiroyuki Kobayashi, Yukio Toyoda, Isamu Akasaki | 1983-10-04 |
| 4396929 | Gallium nitride light-emitting element and method of manufacturing the same | Yukio Toyoda, Hiroyuki Kobayashi, Isamu Akasaki | 1983-08-02 |