Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836498 | Semiconductor laser, semiconductor device and nitride series III-V group compound substrate, as well as manufacturing method thereof | Motonobu Takeya, Takeharu Asano, Osamu Goto, Shinro Ikeda, Katsuyoshi Shibuya +3 more | 2004-12-28 |
| 6730611 | Nitride semiconductor growing process | Hiroshi Nakajima | 2004-05-04 |
| 6603147 | Semiconductor light emitting device | Shigeki Hashimoto, Masao Ikeda, Hiroshi Nakajima | 2003-08-05 |
| 6509579 | Semiconductor device | Motonobu Takeya, Masao Ikeda, Takeharu Asano, Shinro Ikeda, Tomonori Hino +1 more | 2003-01-21 |
| 6471769 | Method of manufacturing a nitride series III-V group compound semiconductor | Shigeki Hashimoto, Tsunenori Asatsuma, Masao Ikeda | 2002-10-29 |
| 6104039 | P-type nitrogen compound semiconductor and method of manufacturing same | Tsunenori Asatsuma, Takao Miyajima | 2000-08-15 |
| 5993542 | Method for growing nitride III-V compound semiconductor layers and method for fabricating a nitride III-V compound semiconductor substrate | Masao Ikeda, Satoshi Tomioka | 1999-11-30 |