HI

Hiroyuki Ishitobi

Bridgestone: 2 patents #1,066 of 2,860Top 40%
OC Otsuka Chemical Co.: 2 patents #85 of 269Top 35%
📍 Awa, JP: #5 of 5 inventorsTop 100%
Overall (All Time): #1,961,804 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10053553 Rubber composition, and pneumatic tire using same Noriaki Yukimura, Takahiro Yoshizawa, Kazuhiro Kodama, Hiroaki Yuasa, Noriaki Shiina +4 more 2018-08-21
9546232 Rubber composition, and pneumatic tire using same Noriaki Yukimura, Takahiro Yoshizawa, Kazuhiro Kodama, Hiroaki Yuasa, Noriaki Shiina +4 more 2017-01-17