Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933326 | Multijunction compound semiconductor solar cell | Kazuaki Sasaki | 2015-01-13 |
| 7635638 | Compound semiconductor device epitaxial growth substrate, semiconductor device, and manufacturing method thereof | Tatsuya Takamoto | 2009-12-22 |
| 7488890 | Compound solar battery and manufacturing method thereof | Tatsuya Takamoto | 2009-02-10 |
| 6300558 | Lattice matched solar cell and method for manufacturing the same | Tatsuya Takamoto, Hiroshi Kurita, Eiji Ikeda | 2001-10-09 |
| 5916375 | Method of producing photoelectric conversion device | Tatsuya Takamoto | 1999-06-29 |