Inventor
YOKOYAMA Yuka
JP24 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA Yuka”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
21 patentsUS9862814B2Jan 9, 2018
Pneumatic tire, studless tire, method for manufacturing pneumatic tire, and method for manufacturing studless tire
SUMITOMO RUBBER IND14 citations84
US10493801B2Dec 3, 2019
Cap tread rubber composition for cold weather tires
SUMITOMO RUBBER IND12 citations83
US10710409B2Jul 14, 2020
Cap tread rubber composition and pneumatic tire
SUMITOMO RUBBER IND11 citations82
US10066090B2Sep 4, 2018
Rubber composition for tires and pneumatic tire
SUMITOMO RUBBER IND2 citations73
US10494510B2Dec 3, 2019
Rubber composition for tire, and pneumatic tire
SUMITOMO RUBBER IND2 citations71
US10131763B2Nov 20, 2018
Modified natural rubber, process for producing same, rubber composition for tire, and pneumatic tire
SUMITOMO RUBBER IND2 citations71
US9856362B2Jan 2, 2018
Rubber composition for tires and pneumatic tire
SUMITOMO RUBBER IND3 citations71
US9732165B2Aug 15, 2017
Rubber composition for tires and pneumatic tire
SUMITOMO RUBBER IND3 citations71
US9663445B2May 30, 2017
Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire
SUMITOMO RUBBER IND2 citations71
US10507692B2Dec 17, 2019
Rubber compound for tires, pneumatic tire, and an airless tire
SUMITOMO RUBBER IND1 citations62
US10377884B2Aug 13, 2019
Rubber composition for tyres, and pneumatic tyre
SUMITOMO RUBBER IND1 citations62
US10844199B2Nov 24, 2020
Tire rubber composition and tire
SUMITOMO RUBBER IND1 citations59
US11267285B2Mar 8, 2022
Rubber composition for tires and pneumatic tire
SUMITOMO RUBBER IND0 citations53
US10919340B2Feb 16, 2021
Cap tread rubber composition for cold weather tires
SUMITOMO RUBBER IND0 citations51
US10316164B2Jun 11, 2019
Tire
SUMITOMO RUBBER IND0 citations51
US8664312B2Mar 4, 2014
Rubber composition for tire, and pneumatic tire
SUMITOMO RUBBER IND1 citations47
US10351697B2Jul 16, 2019
Tire rubber composition manufacturing method and tire rubber composition
SUMITOMO RUBBER IND0 citations41
US9657121B2May 23, 2017
Rubber composition for tire, tire member, method for producing biomass-derived rubber, and pneumatic tire
SUMITOMO RUBBER IND0 citations41
US10279630B2May 7, 2019
Pneumatic tire
SUMITOMO RUBBER IND0 citations40
US10369843B2Aug 6, 2019
Production method of rubber composition for tire and tire
SUMITOMO RUBBER IND0 citations37
US9879109B2Jan 30, 2018
Rubber composition for tires, tire member, and pneumatic tire
SUMITOMO RUBBER IND0 citations34