Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10639610 | Film deterioration preventing material and acid gas removing agent | Terumitsu ISHII, Akira Hashimoto | 2020-05-05 |
| 5248238 | Vortex pump | Shinji Ishida | 1993-09-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10639610 | Film deterioration preventing material and acid gas removing agent | Terumitsu ISHII, Akira Hashimoto | 2020-05-05 |
| 5248238 | Vortex pump | Shinji Ishida | 1993-09-28 |