Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946029 | Sheet manufacturing method, sheet, sheet manufacturing apparatus, and solar cell | Yoshihiro Tsukuda, Hiroshi Taniguchi, Kozaburou Yano, Kazuto Igarashi, Tohru Nunoi | 2005-09-20 |
| 6596075 | Method of producing a crystal sheet, apparatus for use in producing the same, and solar cell | Kazuto Igarashi, Yoshihiro Tsukuda, Hokuto Yamatsugu, Tohru Nunoi, Hiroshi Taniguchi +1 more | 2003-07-22 |
| 6521827 | Sheet manufacturing method, sheet, sheet manufacturing apparatus, and solar cell | Yoshihiro Tsukuda, Hiroshi Taniguchi, Kozaburou Yano, Kazuto Igarashi, Tohru Nunoi | 2003-02-18 |
| 6413313 | Apparatus for producing polycrystalline silicon sheets and production method using the same | Koji Yoshida, Kozaburo Yano, Kazuto Igarashi, Yoshihiro Tsukuda | 2002-07-02 |