Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572700 | Semiconductor crystal, and method and apparatus of production thereof | Katsushi Hashio, Shin-ichi Sawada, Masami Tatsumi | 2003-06-03 |
| 6544126 | Portable game machine with download capability | Takao Sawano | 2003-04-08 |