Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879158 | Masking member | Seinosuke Horiki, Reiji Makino | 1989-11-07 |
| 4844285 | Masking member | Seinosuke Horiki, Reiji Makino | 1989-07-04 |
| 4835026 | Masking member | Seinosuke Horiki, Reiji Makino | 1989-05-30 |