Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252176 | Printed wiring board, and manufacture thereof | Hiroshi Hagiwara, Kouichi Maeyama | 2001-06-26 |
| 6143990 | Printed wiring board with two ground planes connected by resistor | Shotaro Yoshimura, Hiroshi Hagiwara | 2000-11-07 |