Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973377 | Crystal diameter controlling method | Nobuo Katsuoka, Atsushi Ozaki | 1990-11-27 |
| 4926357 | Apparatus for measuring diameter of crystal | Nobuo Katsuoka, Tomohiro Kakegawa | 1990-05-15 |
| 4916955 | Crystal ingot lifting load measuring device | Nobuo Katsuoka, Kouji Mizuishi, Kenichi Sato, Seiichiro Otsuka | 1990-04-17 |
| 4915775 | Apparatus for adjusting initial position of melt surface | Nobuo Katsuoka, Munenori Tomita, Atsushi Ozaki | 1990-04-10 |
| 4794263 | Apparatus for measuring crystal diameter | Nobuo Katsuoka, Atsushi Ozaki, Masahiko Baba | 1988-12-27 |
| 4568238 | Horizontal multi-link type robot | Hitoshi Kanaiwa, Osamu Toyama | 1986-02-04 |