Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883560 | Plasma treating apparatus for gas temperature measuring method | — | 1989-11-28 |
SI
Shin-ichiro Ishihara
Overall (1989): #57,772 of 140,708Top 45%
1
Patents 1989