TY

Tatsuya Yoshikawa

IT International Catalyst Technology: 6 patents #2 of 27Top 8%
IC Ict Co.: 5 patents #3 of 32Top 10%
KC Kuraray Co.: 4 patents #386 of 1,827Top 25%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
HC Hokko Chemical Industry Co.: 2 patents #30 of 157Top 20%
UC Umicore Shokubai Japan Co.: 1 patents #24 of 36Top 70%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
TK Toshiba Kikai: 1 patents #381 of 713Top 55%
TC Toshiba Machine Co.: 1 patents #70 of 186Top 40%
CA Ct Associates: 1 patents #11 of 20Top 60%
📍 Kamisu, JP: #11 of 117 inventorsTop 10%
Overall (All Time): #272,785 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11021499 Bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, ammonium salt thereof, and method for producing same Eriko HONDA, Tomoaki Tsuji, Hitoshi KOIZUMI, Kyoko Sugita, Nobumichi KUMAMOTO 2021-06-01
10696701 Bis(6-methyl-3-sulphophenyl)phenylphosphine, ammonium salt thereof, and method for producing same Eriko HONDA, Tomoaki Tsuji, Hitoshi KOIZUMI, Kyoko Sugita, Nobumichi KUMAMOTO 2020-06-30
10150082 Catalyst for internal combustion engine exhaust gas purification, and system for same 2018-12-11
9464018 Method for producing dialdehyde Tomoaki Tsuji 2016-10-11
9315433 Method for producing 2,7-octadien-1-OL Tomoaki Tsuji 2016-04-19
7763560 Catalyst for purifying diesel engine exhaust gas and method for production thereof Makoto Horiuchi, Masao Hori, Atsushi Fukumoto, Takuji Nakane 2010-07-27
7265073 Exhaust gas purifying catalyst and process for purifying exhaust gas 2007-09-04
7212097 Service provision method and apparatus in a distributed system Shigetoshi Sameshima, Katsumi Kawano, Toshihiko Nakano, Nobuhisa Kobayashi 2007-05-01
7141526 Exhaust gas purifying catalyst and process for purifying exhaust gas by use of the catalyst 2006-11-28
7104386 Sloped part high-speed escalator Manabu Ogura, Takashi Yumura, Yasumasa Haruta, Shinji Nagaya, Joichi Nakamura 2006-09-12
6893997 Exhaust gas purifying catalyst and method for purifying exhaust gas Takeshi Matsumoto, Makoto Horiuchi 2005-05-17
6797668 Exhaust gas purifying catalyst 2004-09-28
6770251 Exhaust gas purifying catalyst 2004-08-03
6591959 Escalator with high speed inclinded section Manabu Ogura, Takashi Yumura, Yasumasa Haruta, Shinji Nagaya, Joichi Nakamura 2003-07-15
6588573 Escalator with high speed inclined section Manabu Ogura, Takashi Yumura, Yasumasa Haruta, Shinji Nagaya, Joichi Nakamura 2003-07-08
6455105 Intermittent coating system and intermittent coating method Yoshiyuki Sakai, Akinori Ide 2002-09-24
5728337 Twin screw extruder and an extruding method using the same Akiyoshi Kobayashi 1998-03-17