Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808896 | Control device for heating deep-sea electric motor oil | Hatsuo Ohta | 1989-02-28 |
YK
Yoshio Katsuragi
Overall (All Time): #3,922,058 of 4,157,543Top 95%
1
Patents All Time