RI

Ryo Ishiyama

TO Tokimec: 2 patents #13 of 82Top 20%
Pioneer: 1 patents #1,107 of 1,730Top 65%
TP Tohoku Pioneer: 1 patents #179 of 312Top 60%
Overall (All Time): #1,601,009 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6957714 Speaker and speaker diaphragm Osamu Takahashi 2005-10-25
5786535 Flaw detection apparatus employing tire probes having ultrasonic oscillators mounted therein Shinichi Takeuchi, Yutaka Kashiwase, Kinuko Kato, Ryohei Motegi 1998-07-28
5602336 Flow detection apparatus employing tire probes having ultrasonic oscilators mounted therein Shinichi Takeuchi, Yutaka Kashiwase, Kinuko Kato, Ryohei Motegi 1997-02-11