Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184049 | Method for fabricating compound semiconductor epitaxial wafer and vapor phase growth apparatus using the same | Masataka Watanabe, Masayuki Shinohara | 2001-02-06 |
| 6171394 | Method for manufacturing compound semiconductor epitaxial wafer | Masataka Watanabe, Masayuki Shinohara | 2001-01-09 |
| 6057592 | Compound semiconductor epitaxial wafer | Masataka Watanabe, Masayuki Shinohara, Masahisa Endou, Tohru Takahashi | 2000-05-02 |
| 6048397 | GaAsP epitaxial wafer and a method for manufacturing it | Masahisa Endo, Masataka Watanabe | 2000-04-11 |
| 5912476 | Compound semiconductor epitaxial wafer | Masataka Watanabe, Masayuki Shinohara, Masahisa Endou | 1999-06-15 |
| 5759264 | Method for vapor-phase growth | Masataka Watanabe, Masayuki Shinohara, Masahisa Endo | 1998-06-02 |
| 5302839 | Light emitting diode having an improved GaP compound substrate for an epitaxial growth layer thereon | Toshio Otaki, Jun Ikeda | 1994-04-12 |