Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766089 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Hiroyuki Ohtsuka, Takenori Watabe, Shigenori Saisu, Toyohiro Ueguri | 2014-07-01 |
| 8319096 | Semiconductor substrate, method for forming electrode, and method for fabricating solar cell | Naoki Ishikawa, Hiroyuki Ohtsuka, Takenori Watabe, Toyohiro Ueguri | 2012-11-27 |
| 8253011 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Hiroyuki Ohtsuka, Takenori Watabe, Shigenori Saisu, Toyohiro Ueguri | 2012-08-28 |
| 8141484 | Screen printing plate and screen printing apparatus | Naoki Ishikawa, Hiroyuki Ohtsuka | 2012-03-27 |
| 7705236 | Electrode material, solar cell, and method for producing solar cell | Naoki Ishikawa, Hiroyuki Ohtsuka, Haruhiko Kano, Masanobu Yano | 2010-04-27 |
| 7615391 | Solar cell and method of fabricating the same | Hiroyuki Ohtsuka, Masatoshi Takahashi, Takenori Watabe | 2009-11-10 |
| 7355114 | Solar cell and its manufacturing method | Hiroyuki Ohtsuka, Masatoshi Takahashi, Takenori Watabe | 2008-04-08 |
| 7294779 | Solar cell and method for producing the same | Takenori Watabe, Hiroyuki Ohtsuka, Masatoshi Takahashi, Takao Abe | 2007-11-13 |
| 6963024 | Solar cell module and its installing module | Hiroyuki Ohtsuka, Masatoshi Takahashi, Takenori Watabe, Takao Abe | 2005-11-08 |