Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799166 | Apparatus for automatically analyzing gases in oil | Katsumi Shiono, Hideo Shinohara, Goroo Ikeda | 1989-01-17 |
SN
Sadao Naito
Overall (1989): #59,161 of 140,708Top 45%
1
Patents 1989