Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10236397 | Method for producing high-efficiency solar cell | Hiroshi Hashigami, Takenori Watabe, Hiroyuki Ohtsuka | 2019-03-19 |
| 8766089 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Satoyuki Ojima, Hiroyuki Ohtsuka, Takenori Watabe, Shigenori Saisu | 2014-07-01 |
| 8405176 | Phosphorus paste for diffusion and process for producing solar battery utilizing the phosphorus paste | Shintarou Tsukigata, Toshifumi Matsuoka, Kenji Yamamoto, Naoki Ishikawa, Hiroyuki Otsuka | 2013-03-26 |
| 8319096 | Semiconductor substrate, method for forming electrode, and method for fabricating solar cell | Naoki Ishikawa, Hiroyuki Ohtsuka, Takenori Watabe, Satoyuki Ojima | 2012-11-27 |
| 8253011 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Satoyuki Ojima, Hiroyuki Ohtsuka, Takenori Watabe, Shigenori Saisu | 2012-08-28 |