Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915775 | Apparatus for adjusting initial position of melt surface | Nobuo Katsuoka, Yoshihiro Hirano, Munenori Tomita | 1990-04-10 |
| 4794263 | Apparatus for measuring crystal diameter | Nobuo Katsuoka, Yoshihiro Hirano, Masahiko Baba | 1988-12-27 |