Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017862 | Solar-cell single-crystal silicon substrate, solar cell element, and method for producing the same | Michio Kida, Kyojiro Kaneko, Kazuo Nakajima, Noritaka Usami, Kozo Fujiwara | 2011-09-13 |
| 7750232 | Multi-crystalline silicon-germanium bulk crystal for use as a solar cell and method of making | Kazuo Nakajima, Kozo Fujiwara, Noritaka Usami | 2010-07-06 |
| 7279632 | Multi-element polycrystal for solar cells and method of manufacturing the same | Kazuo Nakajima, Noritaka Usami, Kozo Fujikawa | 2007-10-09 |
| 6411752 | Vertically coupled optical resonator devices over a cross-grid waveguide architecture | Brent E. Little, Yasuo Kokubun, Sai Chu | 2002-06-25 |