Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8292512 | Ball bearing and supporting construction | Susumu Tanaka, Yuuki Tsuchida | 2012-10-23 |
| 7249892 | Rolling bearing | Hiromichi Takemura | 2007-07-31 |
YS
Yoshiaki Sakajiri
Overall (All Time): #2,097,817 of 4,157,543Top 55%
2
Patents All Time