MW

Masakazu Washizuka

SI Sumitomo Rubber Industries: 4 patents #529 of 1,637Top 35%
Overall (All Time): #1,174,468 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10195907 Heavy-duty tire Daisuke Todoroki, Atsushi Maehara 2019-02-05
10183533 Heavy-duty tire Makoto Igarashi 2019-01-22
9221305 Heavy duty pneumatic tire 2015-12-29
7469731 Heavy-duty tire having ground-contact surface shape Takeshi Kuroki, Minoru Nishi, Takahiro Kimishima, Satoshi Tsuda, Jyunji Ohira +1 more 2008-12-30