Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592764 | Vacuum cleaner | Kiyoshi Ishii | 1986-06-03 |
| 4426211 | Vacuum cleaner with dust disposal | Yasukazu Ataka, Katsuhiko Umeda | 1984-01-17 |
KI
Katuzi Ikezaki
Overall (All Time): #2,348,460 of 4,157,543Top 60%
2
Patents All Time