Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8895854 | Wiring harness and manufacturing method thereof | Makoto Katsumata, Keigo Sugimura, Atsushi Hoshino | 2014-11-25 |
| 8586135 | Method for manufacturing a colored electric wire | Keigo Sugimura, Takeshi Kamata | 2013-11-19 |