Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766089 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Satoyuki Ojima, Hiroyuki Ohtsuka, Takenori Watabe, Toyohiro Ueguri | 2014-07-01 |
| 8253011 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Satoyuki Ojima, Hiroyuki Ohtsuka, Takenori Watabe, Toyohiro Ueguri | 2012-08-28 |
| 5578504 | Method for determination of resistivity of N-type silicon epitaxial layer | Kiyoshi Mitani | 1996-11-26 |