Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706959 | Photovoltaic apparatus and mass-producing apparatus for mass-producing spherical semiconductor particles | Yoshihiro Hamakawa, Mikio Murozono | 2004-03-16 |
| 4758399 | Substrate for manufacturing single crystal thin films | Yoshihiro Hamakawa | 1988-07-19 |
| 4735396 | Substrate for manufacturing single crystal thin films | Yoshihiro Hamakawa | 1988-04-05 |
| 4717630 | Substrate for manufacturing single crystal thin films | Yoshihiro Hamakawa | 1988-01-05 |