Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173767 | Coil spring jig, coil spring manufacturing method, and coil spring testing method | Hirokatsu Kameda, Toshihiro Ogawa, Atsushi Murakami, Hideki Kato, Kenji Nagaoka | 2024-12-24 |
| 12097591 | Method for determining propelling condition for shot medium, and method for manufacturing coil spring | Hirokatsu Kameda, Toshihiro Ogawa, Hideki Kato, Keiichi Maekawa, Kentaro Tokita +2 more | 2024-09-24 |