Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5541416 | Estimation method and apparatus for semiconductor light emitting element capable of inspecting by wafer | — | 1996-07-30 |
| 5030315 | Methods of manufacturing compound semiconductor crystals and apparatus for the same | Kazutaka Terashima, Johji Nishio, Masayuki Watanabe | 1991-07-09 |
| 4686091 | Apparatus for manufacturing compound semiconductor single crystal | Masayuki Watanabe, Sadao Yashiro, Masae Nakanishi | 1987-08-11 |
| 4591994 | Method and apparatus for controlling shape of single crystal | Sadao Matsumura | 1986-05-27 |
| 4539067 | Method and apparatus for manufacturing single crystals | Jisaburo Ushizawa, Yoshihiro Kokubun, Tsuguo Fukuda | 1985-09-03 |
| 4397813 | Apparatus for manufacturing single crystals | Jisaburo Ushizawa, Yoshihiro Kokubun, Tsuguo Fukuda | 1983-08-09 |