Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D548765 | Screen for projection | Masayuki Okumura | 2007-08-14 |
| 7203000 | Self-contained manual lifting screen | — | 2007-04-10 |
| D490835 | Screen for projection | — | 2004-06-01 |
| 4850818 | Corrosion-resistant magnet pump | — | 1989-07-25 |
| 4837472 | Inner magnet rotor for magnet pump | — | 1989-06-06 |
| 4812108 | Magnet pump | — | 1989-03-14 |
| 4613289 | Corrosion resistant pump | — | 1986-09-23 |