Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8859034 | Ingot mold for silicon ingot and method for making the same | Youhei Sakai, Kentaro Okushima | 2014-10-14 |
| 8648617 | Semiconductor device and method of testing semiconductor device | Yuji Maruyama, Tatsuhiro Mizumasa, Takayuki Nakashiro, Takayuki Yano, Susumu Koshinuma +2 more | 2014-02-11 |
| 7317237 | Photovoltaic conversion device and method of manufacturing the device | Koichiro Niira | 2008-01-08 |
| 5346926 | Small diameter electric wire insulated with highly expanded cellular polyethylene and production thereof | Toshio Sakamoto, Kenichiro Kumai | 1994-09-13 |