Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7278286 | Rolling die and a method of making a rod with a ball portion | Yoshio Nonaka, Norishige Hayashi, Kazuhiko Masuo | 2007-10-09 |
| 5810670 | Method of manufacturing connector bolt | Hironao Yamamuro | 1998-09-22 |