Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854201 | Valve hole punching apparatus for a wheel | Shin Sugiura | 1989-08-08 |
| 4848125 | Wheel rim forming machine | Susumu Itou, Tsunoru Nakamura | 1989-07-18 |
| 4825675 | Top roll exchanging apparatus for a wheel rim forming machine | Minoru Takahashi, Tsunoru Nakamura | 1989-05-02 |
| 4821548 | Apparatus for chamfering edges of a rim element | Shin Sugiura | 1989-04-18 |
| 4809529 | Flaring apparatus for flaring a rim element | Atuyoshi Komatu, Masahiro Okada, Hiroshi Yamada, Masatoshi Fujita | 1989-03-07 |