Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10486614 | Speaker system for mobile object | Takayuki NEGISHI, Toru Nakamura, Tatsuya Suzuki | 2019-11-26 |
| 9241220 | Speaker device | Minoru Horigome | 2016-01-19 |
YU
Yasumi Umetsu
Tohoku Pioneer: 2 patents #104 of 312Top 35%
Overall (All Time): #1,998,040 of 4,157,543Top 50%
2
Patents All Time