Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879158 | Masking member | Seinosuke Horiki, Hisami Iwata | 1989-11-07 |
| 4868045 | Masking member | Seinosuke Horiki, Kuninori Ito, Tetuji Unno | 1989-09-19 |
| 4844285 | Masking member | Seinosuke Horiki, Hisami Iwata | 1989-07-04 |
| 4835026 | Masking member | Seinosuke Horiki, Hisami Iwata | 1989-05-30 |
| 4822650 | Masking member | Seinosuke Horiki | 1989-04-18 |