Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961853 | Porous membranes and production processes thereof | Hajime Itoh, Kouzi Ohbori, Kazutami Mitani, Hiroshi Takahashi, Kunihiro Aoki | 1990-10-09 |
KT
Kouji Takehashi
Overall (All Time): #3,912,853 of 4,157,543Top 95%
1
Patents All Time