Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801386 | Process of using a porous water-treating material | Tomihiko Kawamura, Tadashi Matsuda, Shintaro Nakano, deceased, Sumito Saiki, Hideaki Habara | 1989-01-31 |
| 4185148 | Process for producing the polypropylene film for electrical appliances | Hiroshi Sato, Munetsugu Nakatani | 1980-01-22 |