Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9895758 | Ring tool unit, method for manufacturing the same, sleeve, and mandrel | Feizhou Wang, Takeyuki Sato, Mitsuru Nakata, Tomoyasu Nakano | 2018-02-20 |
| 6040520 | Solar cell and method of manufacturing the same | Hisao Morooka, Hiroshi Yamada, Katsuki Kurihara, Mitsutaka Matsuse, Yasuyuki Arai | 2000-03-21 |