Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673738 | Photocatalytic active carbon, colored photocatalytic active carbon, coloring active carbon, and deodorant and adsorption product using them | Motoyoshi Nishimura | 2004-01-06 |
| 6407039 | Biodegradable, weed-preventing sheet and a method of preventing generation and growth of weeds by use of the same | Motoyoshi Nishimura | 2002-06-18 |