Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7399687 | Substrate of gallium nitride single crystal and process for producing the same | Kazumasa Hiramatsu, Hideto Miyake, Shinya Bohyama, Yoshinobu Ono | 2008-07-15 |
| 6946308 | Method of manufacturing III-V group compound semiconductor | Kazumasa Hiramatsu, Hideto Miyake, Shinya Bohyama, Yasushi Iyechika | 2005-09-20 |
| 6844574 | III-V compound semiconductor | Kazumasa Hiramatsu, Hideto Miyake, Yasushi Iyechika | 2005-01-18 |
| 6756246 | Method for fabricating III-V group compound semiconductor | Kazumasa Hiramatsu, Hideto Miyake, Shinya Bohyama, Yasushi Iyechika | 2004-06-29 |
| 6503610 | Group III-V compound semiconductor and method of producing the same | Kazumasa Hiramatsu, Hideto Miyake, Yasushi Iyechika | 2003-01-07 |
| 5332451 | Epitaxially grown compound-semiconductor crystal | Masahiko Hata, Noboru Fukuhara | 1994-07-26 |
| 5064778 | Vapor-phase epitaxial growth method | Masahiko Hata, Noboru Fukuhara, Tadeshi Watanabe | 1991-11-12 |
| 4976216 | Apparatus for vapor-phase growth | Masahiko Hata, Yasunari Zempo, Noboru Fukuhara, Hiroaki Takata | 1990-12-11 |
| 4533987 | Power supply system | Yoshiaki Tomofuji | 1985-08-06 |