Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678571 | Water purifier | Tasuku Shimizu, Kenzo Mikada, Kozo Tamura, Masatoshi Tanabe | 1987-07-07 |
| 4572868 | Anti-corrosive sealing tape | Tasuku Shimizu | 1986-02-25 |
| 4433093 | Anti-crevice corrosion sealant and method for anti-crevice corrosion | Shigeru Shida, Yuichi Ishikawa, Osamu Nishida | 1984-02-21 |