KK

Kei Kohara

SI Sumitomo Rubber Industries: 12 patents #153 of 1,637Top 10%
The Goodyear Tire & Rubber: 1 patents #1,860 of 3,057Top 65%
Overall (All Time): #373,868 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11236223 Rubber composition for inner liner and pneumatic tire Hiroshi Ito, Sakae Okubo 2022-02-01
10981417 Pneumatic tire with carcass ply comprising plurality of partly overlapping strip-shaped ply pieces 2021-04-20
10500803 Rigid inner mold for forming tire, and method of manufacturing tire using the same 2019-12-10
10189317 Pneumatic tire having twisted bead cords 2019-01-29
10118355 Tire manufacturing method Masaya Tsunoda, Takashi Tanaka 2018-11-06
10112445 Pneumatic tire 2018-10-30
9731463 Rigid inner mold for forming tire, and method of manufacturing tire using the same 2017-08-15
9144947 Rigid core for forming tire 2015-09-29
9039400 Rigid core for forming tire 2015-05-26
9039399 Rigid core for forming tire 2015-05-26
8757995 Tire vulcanization mold 2014-06-24
D582841 Tire for automobile Takeshi Imakita, Izumi Saiwaki 2008-12-16
D336273 Automobile tire Nobumitsu Iio 1993-06-08