Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173767 | Coil spring jig, coil spring manufacturing method, and coil spring testing method | Toshihiro Ogawa, Shinji Kasatori, Atsushi Murakami, Hideki Kato, Kenji Nagaoka | 2024-12-24 |
| 12097591 | Method for determining propelling condition for shot medium, and method for manufacturing coil spring | Toshihiro Ogawa, Shinji Kasatori, Hideki Kato, Keiichi Maekawa, Kentaro Tokita +2 more | 2024-09-24 |
| 6908092 | Link type suspension for vehicle such as motorcycle | Kenji Kofuji | 2005-06-21 |
| 5472221 | Bicycle wheel fork assembly | Toshio Ohma | 1995-12-05 |