Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881273 | RDS system radio | Yoshikai Amano | 1989-11-14 |
| 4801341 | One-sided enamelable hot-rolled steel sheet and process for producing the same | Atsushi Itami, Nobuhiko Matsuzu, Takahito Watanabe | 1989-01-31 |