Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840733 | Fine porous membrane and process for producing the same | Jun Sasaki, Kyoichi Naruo, Yukio Shinagawa, Sumio Ohtani | 1989-06-20 |
AA
Atsushi Adachi
Overall (1989): #130,591 of 140,708Top 95%
1
Patents 1989