Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825523 | Method for manufacturing a housing | Norio Nakazawa, Yoshimasa Matsura, Susumu Kohketsu | 1989-05-02 |
| 4794758 | Method of controlling a turbocharger | Norio Nakazawa, Yoshimasa Matsura, Susumu Kohketsu | 1989-01-03 |