Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772390 | Water purifying method and system | Atsushi Kawai, Ikuo Igami, Michio Inoue, Hisao Tanaka | 1988-09-20 |
YK
Yuzuru Katagiri
Overall (All Time): #3,959,503 of 4,157,543Top 100%
1
Patents All Time