Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855034 | Gas sensor for sulfur dioxide | Eisuke Sugimoto, Yoshiyasu Tanizawa | 1989-08-08 |
ZK
Zensaku Kozuka
Overall (1989): #39,033 of 140,708Top 30%
1
Patents 1989