KT

Katsumi Terakawa

SI Sumitomo Rubber Industries: 18 patents #91 of 1,637Top 6%
DC Dunlop Sports Co.: 1 patents #121 of 168Top 75%
SC Sanko Chemical Industry Co.: 1 patents #5 of 10Top 50%
Overall (All Time): #237,804 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10189310 Airless tire Wako Iwamura, Makoto Sugiya, Kazuyoshi Shiga 2019-01-29
9573021 Golf ball Ryota Sakamine 2017-02-21
9221964 Rubber composition and pneumatic tire Shuichiro Ono, Ryuichi Tokimune 2015-12-29
8877857 Polar group-containing copolymer, rubber composition and studless tire Ryuichi Tokimune, Kazuo Hochi 2014-11-04
8281832 Rubber composition and pneumatic tire using the same Noriko Yagi, Kiyoshige Muraoka, Tetsuo Mizoguchi 2012-10-09
8100157 Rubber composition for tire and pneumatic tire using the same Takayuki Hattori, Naoya Ichikawa, Toshiaki Sakaki, Gan Seng Neon, Lee Siang Yin 2012-01-24
7999036 Rubber composition and tire using same Kazuyuki Nishioka, Kazuyoshi Shiga 2011-08-16
7956130 Rubber composition for tire and tire using the same Kazuyuki Nishioka 2011-06-07
7762295 Rubber composition for tire and tire using the same Kazuyuki Nishioka 2010-07-27
7641973 Conductive member for image-forming apparatus Takayuki Hattori, Kenichi Uesaka, Jun Ochi, Masakazu Tanaka, Yogun Ki 2010-01-05
7435770 Polymeric-type electric resistance control agent and polymer composition containing the same Takayuki Hattori, Tetsuo Mizoguchi, Kenichi Uesaka, Toshiaki Sakaki, Hiromasa Okubo +2 more 2008-10-14
7304109 Rubber composition and tire using the same Kazuyuki Nishioka, Takahiro Mabuchi, Kiyoshige Muraoka 2007-12-04
7253235 Rubber composition for a tire and tire using the same Kazuyuki Nishioka, Takahiro Mabuchi, Kiyoshige Muraoka 2007-08-07
7226965 Polymeric-type electric resistance control agent and polymer composition containing the same Takayuki Hattori, Tetsuo Mizoguchi, Kenichi Uesaka, Toshiaki Sakaki, Hiromasa Okubo +2 more 2007-06-05
7150908 Conductive belt Shunichi Yabushita, Masakazu Tanaka, Jun Ochi 2006-12-19
6096851 Coating material for golf ball and golf ball coated with the same Kiyoto Maruoka 2000-08-01
5569690 Rubber composition for tire Kiyoshige Muraoka, Minoru Ueda, Naohiko Kikuchi, Toshirou Matsuo 1996-10-29
5310777 Rubber composition having a large damping capacity Fumio Sekido 1994-05-10
5128395 Rubber composition for laminated vibrationproofing structure Fumio Sekido 1992-07-07