Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317661 | Electronic air cleaner | Ryosuke SASAOKA, Kaoru Maekawa | 1982-03-02 |
YI
Yasuo Ishino
Overall (1982): #22,565 of 81,411Top 30%
1
Patents 1982