Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787069 | Compound having dopant introduced into vacant lattice point while controlling position and concentration | Ryuta Kiyoshima, Shigenori Matsushima, Masakuni Sasaki | 2004-09-07 |
| 5506426 | Compound semiconductor, a method for producing a thin film thereof, and a semiconductor device having the thin film | Takayuki Negami, Mikihiko Nishitani, Takahiro Wada | 1996-04-09 |
| 5474622 | Solar cell having chalcopyrite semiconductor film | Takayuki Negami, Mikihiko Nishitani, Takahiro Wada | 1995-12-12 |
| 5422304 | Method for producing a thin film, and a semiconductor device having the thin film | Takayuki Negami, Mikihiko Nishitani, Takahiro Wada | 1995-06-06 |
| 5389572 | Process of making chalcopyrite structure semiconductor film | Takayuki Negami, Mikihiko Nishitani, Takahiro Wada | 1995-02-14 |
| 5145830 | Method for manufacturing thin film oxide superconductors and superconductor devices by X-ray irradiation | Akira Enokihara, Hidetaka Higashino, Shinichiro Hatta, Kentaro Setsune, Kiyotaka Wasa +2 more | 1992-09-08 |
| 5047390 | Josephson devices and process for manufacturing the same | Hidetaka Higashino, Koichi Mizuno, Hideaki Adachi, Kentaro Setsune, Akira Enokihara +3 more | 1991-09-10 |