Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D294141 | Electric motor | Norio Umezawa, Norimasa Kondoh | 1988-02-09 |
| 4677335 | Axial gap type coreless electric motor with noise reduction | Norio Umezawa | 1987-06-30 |
TU
Takemi Ueda
Overall (All Time): #2,335,140 of 4,157,543Top 60%
2
Patents All Time