Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482276 | Copper alloy with punchability, and a manufacturing method thereof | Takao Hirai, Yoshimasa Ohyama | 2002-11-19 |
| 6463370 | Information processing apparatus, method for processing information, and record medium on which a program for such method is recorded | Tomoshi Hirayama | 2002-10-08 |