Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10998463 | High efficiency solar cell and method for manufacturing high efficiency solar cell | Hiroshi Hashigami, Shun Moriyama, Hiroyuki Ohtsuka | 2021-05-04 |
| 10896989 | High efficiency back contact type solar cell, solar cell module, and photovoltaic power generation system | Ryo Mitta, Hiroshi Hashigami, Hiroyuki Ohtsuka | 2021-01-19 |
| 10756223 | Manufacturing method of solar cell with high photoelectric conversion efficiency and solar cell with high photoelectric conversion efficiency | Ryo Mitta, Hiroshi Hashigami, Hiroyuki Ohtsuka | 2020-08-25 |
| 10700223 | High photoelectric conversion efficiency solar battery cell and method for manufacturing high photoelectric conversion solar battery cell | Yoko Matsuo, Hiroshi Hashigami, Hiroyuki Ohtsuka | 2020-06-30 |
| 10692736 | Method for producing high-photoelectric-conversion-efficiency solar cell and high-photoelectric-conversion-efficiency solar cell | Hiroshi Hashigami, Hiroyuki Ohtsuka | 2020-06-23 |
| 10439094 | Method for manufacturing solar cell element and solar cell element | Ryo Mitta, Yoko Endo, Hiroyuki Otsuka | 2019-10-08 |
| 10249775 | Solar cell and method for producing solar cell | Yoko Endo, Hiroyuki Otsuka | 2019-04-02 |
| 10236397 | Method for producing high-efficiency solar cell | Hiroshi Hashigami, Toyohiro Ueguri, Hiroyuki Ohtsuka | 2019-03-19 |
| 10153385 | Back contact type solar battery cell | Chikara Mori, Hiroyuki Otsuka | 2018-12-11 |
| 10141466 | Substrate for solar cell, and solar cell | Hideo Ooiwa, Hiroyuki Otsuka, Kazuo Hara | 2018-11-27 |
| 10115840 | Solar cell and method for producing thereof | Yoko Matsuo, Hiroyuki Otsuka | 2018-10-30 |
| 10032940 | Solar cell, method for manufacturing solar cell, and solar cell module | Hiroshi Hashigami, Hiroyuki Otsuka | 2018-07-24 |
| 9887312 | Solar cell and solar-cell module | Hiroshi Hashigami, Mitsuhito Takahashi, Shintarou Tsukigata, Takashi Murakami, Ryo Mitta +2 more | 2018-02-06 |
| 9871156 | Solar cell and method of manufacturing the same | Hiroyuki Otsuka | 2018-01-16 |
| 9799535 | Heat-treatment furnace | Takashi Murakami, Hiroyuki Otsuka | 2017-10-24 |
| 9691918 | Solar battery cell and manufacturing method for the solar battery cell | Ryo Mitta, Hiroyuki Otsuka | 2017-06-27 |
| D786189 | Solar cell | Hiroyuki Otsuka, Hiroshi Hashigami, Ryo Mitta, Shun Moriyama, Chikara Mori | 2017-05-09 |
| D785559 | Solar cell | Hiroyuki Otsuka, Hiroshi Hashigami, Ryo Mitta, Shun Moriyama, Chikara Mori | 2017-05-02 |
| 9614117 | Solar cell manufacturing method | Takashi Murakami, Hiroyuki Otsuka | 2017-04-04 |
| 9559221 | Solar cell production method, and solar cell produced by same production method | Mitsuhito Takahashi, Hiroyuki Otsuka | 2017-01-31 |
| 9224888 | Solar cell and solar-cell module | Hiroshi Hashigami, Naoki Ishikawa, Hiroyuki Otsuka | 2015-12-29 |
| 9216607 | Screen printing plate for solar cell and method for printing solar cell electrode | Yoko Endo, Ryo Mitta, Hiroyuki Otsuka | 2015-12-22 |
| 9181615 | Coating fluid for boron diffusion | Shintarou Tsukigata, Toshifumi Matsuoka, Hiroyuki Otsuka | 2015-11-10 |
| 9018520 | Solar cell and manufacturing method thereof | Shun Moriyama, Takashi Murakami, Shintarou Tsukigata, Mitsuhito Takahashi, Hiroyuki Otsuka | 2015-04-28 |
| 8859320 | Method for producing solar cell and film-producing device | Ryo Mitta, Mitsuhito Takahashi, Hiroshi Hashigami, Takashi Murakami, Shintarou Tsukigata +1 more | 2014-10-14 |