Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777792 | Optical film, an antireflection film, a reflection film, a method for forming the optical film, the antireflection film or the reflection film and an optical device | Nobumasa Okada, Shuichi Miura | 1998-07-07 |
| 4360919 | Semiconductor light emitting device | Takao Fujiwara, Kiyoshi Hanamitsu, Hiroshi Ishikawa, Nobuyuki Takagi, Katsuharu Segi | 1982-11-23 |
| 4306351 | Method for producing a semiconductor laser element | Kanji Fujiwara, Takao Fujiwara | 1981-12-22 |