Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462965 | Intermittent ozonizing apparatus | Kenkoku Azuma, Akaru Usui | 1984-07-31 |
IK
Isao Kajita
Overall (All Time): #4,038,598 of 4,157,543Top 100%
1
Patents All Time