Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838961 | Method of manufacturing high strength blank a bolt | Kazunori Fukizawa, Kunio Namiki | 1989-06-13 |
| 4778652 | High strength bolt | Kazunori Fukizawa, Kunio Namiki | 1988-10-18 |