Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478883 | Silicon single crystal wafer, epitaxial silicon wafer, and methods for producing them | Masaro Tamatsuka, Katsuhiko Miki, Hiroshi Takeno, Yoshinori Hayamizu | 2002-11-12 |
| 6479312 | Gallium phosphide luminescent device | Masato Yamada, Susumu Higuchi, Kousei Yumoto, Makoto Kawasaki | 2002-11-12 |