Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6625187 | Semiconductor optical device and method of manufacturing the same | Nobuyuki Ikoma, Akira Ishida, Mitsuo Takahashi, Tsukuru Katsuyama, Masayuki Shigematsu | 2003-09-23 |
| 5843590 | Epitaxial wafer and method of preparing the same | Yoshiki Miura, Keiichiro Fujita, Kikurou Takemoto, Masato Matsushima, Hideki Matsubara +2 more | 1998-12-01 |