Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929326 | Electrolytic treatment apparatus | Akio Uesugi, Takeshi Ohishi | 1990-05-29 |
RD
Ritsu Dobashi
Overall (All Time): #3,903,916 of 4,157,543Top 95%
1
Patents All Time