YY

Yuka Yokoyama

SI Sumitomo Rubber Industries: 22 patents #67 of 1,637Top 5%
SL Semiconductor Energy Laboratory: 2 patents #830 of 1,113Top 75%
📍 Tochigi, JP: #152 of 2,789 inventorsTop 6%
Overall (All Time): #171,901 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
11267285 Rubber composition for tires and pneumatic tire Mikako YOSHIOKA, Haruko SAWAKI, Takahiro Mabuchi 2022-03-08
10919340 Cap tread rubber composition for cold weather tires 2021-02-16
10844199 Tire rubber composition and tire Suguru IZUMO 2020-11-24
10710409 Cap tread rubber composition and pneumatic tire Suguru IZUMO 2020-07-14
10507692 Rubber compound for tires, pneumatic tire, and an airless tire Mutsuki Sugimoto, Wako Iwamura, Makoto Sugiya 2019-12-17
10494510 Rubber composition for tire, and pneumatic tire Seiji Hatano 2019-12-03
10493801 Cap tread rubber composition for cold weather tires Shuichiro Ono 2019-12-03
10377884 Rubber composition for tyres, and pneumatic tyre 2019-08-13
10369843 Production method of rubber composition for tire and tire Ayuko YAMANA, Masako NAKATANI, Takashi Miki, Takuya Horiguchi, Yoichi Mizuno +7 more 2019-08-06
10351697 Tire rubber composition manufacturing method and tire rubber composition 2019-07-16
10316164 Tire Tetsuya Kunisawa 2019-06-11
10279630 Pneumatic tire Shuichiro Ono 2019-05-07
10131763 Modified natural rubber, process for producing same, rubber composition for tire, and pneumatic tire Toshiaki Sakaki, Hirotoshi Otsuki, Tatsuya Miyazaki, Ryo Mashita 2018-11-20
10103274 Semiconductor device Shunpei Yamazaki, Masahiro Katayama, Chieko MISAWA, Hironobu Takahashi, Kenichi OKAZAKI 2018-10-16
10066090 Rubber composition for tires and pneumatic tire Toshiaki Sakaki, Masanobu Nakamura 2018-09-04
9879109 Rubber composition for tires, tire member, and pneumatic tire Ryoji Kojima, Masafumi Yoshino 2018-01-30
9862814 Pneumatic tire, studless tire, method for manufacturing pneumatic tire, and method for manufacturing studless tire Toshiaki Sakaki 2018-01-09
9856362 Rubber composition for tires and pneumatic tire Toshiaki Sakaki, Seiji Hatano 2018-01-02
9732165 Rubber composition for tires and pneumatic tire Toshiaki Sakaki, Akira Minagoshi 2017-08-15
9663445 Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire Takayuki Hattori, Takao Wada, Keitaro Fujikura, Toshiro Matsuo 2017-05-30
9657121 Rubber composition for tire, tire member, method for producing biomass-derived rubber, and pneumatic tire Ryoji Kojima 2017-05-23
9601634 Semiconductor device Shunpei Yamazaki, Masahiro Katayama, Chieko MISAWA, Hironobu Takahashi, Kenichi OKAZAKI 2017-03-21
9115047 Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire Takayuki Hattori, Takao Wada, Keitaro Fujikura, Toshiro Matsuo 2015-08-25
8664312 Rubber composition for tire, and pneumatic tire Keitarou Fujikura 2014-03-04