Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861578 | Method of treating waste gas | Akira Fukunaga | 1989-08-29 |
| 4853313 | Printing plate | Shigeo Abiko, Mikio Tsuda, Chikara Ichijo | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861578 | Method of treating waste gas | Akira Fukunaga | 1989-08-29 |
| 4853313 | Printing plate | Shigeo Abiko, Mikio Tsuda, Chikara Ichijo | 1989-08-01 |