RN

Ryuji Nakagawa

Bridgestone: 14 patents #137 of 2,860Top 5%
HC Hitachi Cable: 2 patents #313 of 1,086Top 30%
RI Riken: 2 patents #375 of 1,824Top 25%
HF Hitachi Cable Fine-Tech: 1 patents #10 of 33Top 35%
JS Jsr: 1 patents #649 of 1,137Top 60%
📍 Tokyo, OH: #33 of 59 inventorsTop 60%
Overall (All Time): #275,778 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
9623705 Method for producing modified conjugated diene polymer/copolymer, modified conjugated diene polymer/copolymer, and rubber composition and tire using the same Ken Tanaka, Noriko Mori, Yuki Itoh, Yoichi Ozawa, Junko Matsushita +4 more 2017-04-18
9393838 Adhesive composition, adhesion method, and pneumatic tire Takuya Ogasawara, Kotaro Hayakawa, Hideyuki Chiashi 2016-07-19
9045003 Pneumatic tire Horihisa Kano 2015-06-02
9029462 Adhesive composition, adhesion method using the same, laminate and tire Takuya Ogasawara, Kotaro Hayakawa, Hideyuki Chiashi 2015-05-12
8809464 Polymers functionalized with halosilanes containing an amino group Terrence E. Hogan, Steven Luo, Yoichi Ozawa, Junko Matsushita, Eiju Suzuki +1 more 2014-08-19
8507627 Aromatic vinyl compound-conjugated diene compound copolymer and method of producing the same as well as rubber composition and tire Junko Matsushita, Yoichi Ozawa, Shojiro Kaita, Olivier Tardif 2013-08-13
8410224 Method for producing modified conjugated diene based (co)polymer, modified conjugated diene based (co)polymer, and rubber composition Takaomi Matsumoto, Masahiro Shibata, Takuo Sone, Toshihiro Tadaki, Ken Tanaka 2013-04-02
8258332 Polymers functionalized with halosilanes containing an amino group Terrence E. Hogan, Steven Luo, Yoichi Ozawa, Junko Matsushita, Eiju Suzuki +1 more 2012-09-04
8232352 Rubber composition and tire using the same Junko Matsushita, Yoichi Ozawa 2012-07-31
8143517 Extra-fine copper alloy wire, extra-fine copper alloy twisted wire, extra-fine insulated wire, coaxial cable, multicore cable and manufacturing method thereof Huang Detian, Hiromitsu Kuroda, Hakaru Matsui, Osamu Seya, Ryohei Okada +2 more 2012-03-27
7919571 Polybutadiene as well as rubber composition using the same and tire Junko Matsushita, Yoichi Ozawa, Shojiro Kaita, Olivier Tardif 2011-04-05
7879952 Functionalized polymers Steven Luo, Jason T. Poulton, Eiju Suzuki, Yuan-Yong Yan 2011-02-01
7732534 Polymers functionalized with nitro compounds Steven Luo 2010-06-08
7622679 Signal transmission cable and multi-wire cable Detian Huang, Hiroshi Komuro, Kazuyuki Naito, Hiroshi Okikawa 2009-11-24
7544886 Extra-fine copper alloy wire, extra-fine copper alloy twisted wire, extra-fine insulated wire, coaxial cable, multicore cable and manufacturing method thereof Huang Detian, Hiromitsu Kuroda, Hakaru Matsui, Osamu Seya, Ryohei Okada +2 more 2009-06-09
6939910 Rubber composition 2005-09-06
6730743 Rubber composition Hideaki Yokoyama 2004-05-04