Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937920 | Metal sheet part bending order and bending die proposing device and proposing method | Yasuyuki Nakayama | 2005-08-30 |
| 5469350 | Voltage boosting power failure protected power supply device | Toru Arai, Masaru Nishizuka, Atsushi Makitani | 1995-11-21 |