Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7749950 | Stain-proofing agent and building board using same | Masanori Ukai, Hiroyuki Yamauchi | 2010-07-06 |
YI
Yasuhisa Imanishi
Overall (All Time): #3,294,551 of 4,157,543Top 80%
1
Patents All Time