Issued Patents All Time
Showing 1–25 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414401 | Method for manufacturing substrate for solar cell and substrate for solar cell | Shozo Shirai | 2025-09-09 |
| 12402434 | Solar cell and solar cell module | — | 2025-08-26 |
| 12237435 | Method for manufacturing substrate for solar cell and substrate for solar cell | Shozo Shirai | 2025-02-25 |
| 12191406 | Solar cell, method for manufacturing solar cell, and solar cell module | Hiroshi Hashigami, Takenori Watabe | 2025-01-07 |
| 12183840 | Solar cell and solar cell module | Yoko Endo | 2024-12-31 |
| 11901475 | Method for manufacturing substrate for solar cell and substrate for solar cell | Shozo Shirai | 2024-02-13 |
| 11742438 | Solar cell and solar cell module | — | 2023-08-29 |
| 11616163 | Firing furnace for firing electrode of solar cell element, method for manufacturing solar cell element, and solar cell element | Ryo Mitta, Takenori Watabe | 2023-03-28 |
| 11545588 | Solar cell, method for manufacturing solar cell, and solar cell module | Hiroshi Hashigami, Takenori Watabe | 2023-01-03 |
| 11538944 | Solar cell, method for manufacturing solar cell, and solar cell module | Hiroshi Hashigami, Takenori Watabe | 2022-12-27 |
| 11527983 | Electric power conversion device | Ryo Ute, Takamasa Asai | 2022-12-13 |
| 11227965 | Solar cell and method for manufacturing the same | Takenori Watabe | 2022-01-18 |
| 11222991 | Solar cell and method for manufacturing the same | Takenori Watabe | 2022-01-11 |
| 11101391 | Screen printing apparatus, screen printing method, and electrode formation method of solar battery | Shintarou Tsukigata, Norifumi Takahashi | 2021-08-24 |
| 11087934 | Arc-quenching device for direct current switch | Koji Omori, Makito Morii | 2021-08-10 |
| 10964493 | Arc-quenching device for direct current switch | Koji Omori, Makito Morii | 2021-03-30 |
| 10686082 | Photovoltaic generation system and method for using the same | — | 2020-06-16 |
| 10669131 | Construction machine equipped with boom | Takahiro Oka, Shoji Watanabe, Daisuke Takaoka, Tetsuya KOBATAKE, Shingo KURIHARA | 2020-06-02 |
| 10487417 | Method for manufacturing a FZ silicon single crystal subject to additional gallium doping for solar cells | — | 2019-11-26 |
| 10439094 | Method for manufacturing solar cell element and solar cell element | Ryo Mitta, Yoko Endo, Takenori Watabe | 2019-10-08 |
| 10249775 | Solar cell and method for producing solar cell | Yoko Endo, Takenori Watabe | 2019-04-02 |
| D841590 | Socket for indicating lamp | Kazuaki Morita, Shinya Katsube | 2019-02-26 |
| 10153385 | Back contact type solar battery cell | Chikara Mori, Takenori Watabe | 2018-12-11 |
| 10141466 | Substrate for solar cell, and solar cell | Hideo Ooiwa, Takenori Watabe, Kazuo Hara | 2018-11-27 |
| 10128059 | Switch | Shinya Katsube, Kazuaki Morita | 2018-11-13 |