Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387722 | Methods for preparing an epitaxial wafer having a gallium nitride epitaxial layer deposited on a semiconductor substrate | Kensaku Motoki, Katsushi Akita, Mitsuru Shimazu, Kikurou Takemoto, Hisashi Seki +1 more | 2002-05-14 |
| 6270587 | Epitaxial wafer having a gallium nitride epitaxial layer deposited on semiconductor substrate and method for preparing the same | Kensaku Motoki, Katsushi Akita, Mitsuru Shimazu, Kikurou Takemoto, Hisashi Seki +1 more | 2001-08-07 |
| 6031252 | Epitaxial wafer and method of preparing the same | Yoshiki Miura, Mitsuru Shimazu, Kensaku Motoki, Takuji Okahisa, Hisashi Seki +1 more | 2000-02-29 |
| 5970314 | Process for vapor phase epitaxy of compound semiconductor | Takuji Okahisa, Mitsuru Shimazu, Yoshiki Miura, Kensaku Motoki, Hisashi Seki +1 more | 1999-10-19 |
| 5843590 | Epitaxial wafer and method of preparing the same | Yoshiki Miura, Keiichiro Fujita, Kikurou Takemoto, Hideki Matsubara, Shigenori Takagishi +2 more | 1998-12-01 |
| 5756374 | Compound semiconductor light emitting device and method of preparing the same | Yoshiki Miura, Hideki Matsubara, Hisashi Seki, Akinori Koukitu | 1998-05-26 |
| 5665986 | Compound semiconductor light emitting device and method of preparing the same | Yoshiki Miura, Hideki Matsubara, Hisashi Seki, Akinori Koukitu | 1997-09-09 |