Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464398 | Roller bearing | Tetsu Takehara, Kiyohito Matsubayashi, Yuji Nakano | 2002-10-15 |
HM
Hirohisa Mihara
Overall (All Time): #3,560,390 of 4,157,543Top 90%
1
Patents All Time