MM

Masahiko Matsukawa

NC Nippon Paint Holdings Co.: 14 patents #34 of 834Top 5%
TC Toyo Kohan Co.: 4 patents #63 of 295Top 25%
TC Toyo Seikan Co.: 4 patents #175 of 888Top 20%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
CG Chemetall Gmbh: 2 patents #63 of 196Top 35%
NC Nippon Paint Surf Chemicals Co.: 2 patents #4 of 39Top 15%
Overall (All Time): #183,354 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11149163 Heat exchanger and method for hydrophilizing heat exchanger Yuko Wada, Hitoshi Kayama 2021-10-19
10858751 Surface-treated steel sheet, process for producing the same and resin-coated surface-treated steel sheet Mitsuhide Aihara, Wataru Kurokawa, Munemitsu Hirotsu, Kunihiro Yoshimura, Satoko HARADA +3 more 2020-12-08
10309028 Method for producing surface-treated steel sheet, surface-treated steel sheet, and organic resin coated metal container Kunihiro Yoshimura, Masanobu Matsubara, Marie SASAKI, Keisuke Yoshida, Wataru Kurokawa +2 more 2019-06-04
10000858 Bath for surface treatment, method of producing surface-treated steel plate by using the bath for surface treatment, and surface treated steel plate produced by the same method Wataru Kurokawa, Seitaro Kanazawa, Shinichi Taya, Kunihiro Yoshimura, Naomi Iida +1 more 2018-06-19
8821651 Method for surface treating a heat exchanger, hydrophilizing treatment agent, and aluminum heat exchanger Tatsuo Yoshida, Miwa Iida, Shintaro Nakagawa 2014-09-02
8822037 Surface-treated steel plate Wataru Kurokawa, Seitaro Kanazawa, Shinichi Taya, Kunihiro Yoshimura, Naomi Iida +1 more 2014-09-02
8815022 Method for surface treating a heat exchanger, surface treatment agent, and aluminum heat exchanger Tatsuo Yoshida, Shintaro Nakagawa 2014-08-26
8119239 Surface-conditioning composition comprising metal phosphate particles, metal alkoxide and stabilizer, and method of production thereof Toshio Inbe, Kotaro Kikuchi 2012-02-21
8075708 Pretreatment method for coating Kazuhiro Makino, Toshiaki Shimakura, Masanobu Futsuhara, Jiping Yang 2011-12-13
7909944 Surface conditioning composition and surface conditioning method Toshio Inbe, Yusuke Wada, Kotaro Kikuchi 2011-03-22
7749319 Composition for surface conditioning and a method for surface conditioning Toshio Inbe, Kotaro Kikuchi 2010-07-06
7722710 Surface-conditioning composition, method for production thereof, and surface conditioning method Toshio Inbe, Kotaro Kikuchi 2010-05-25
7510612 Chemical conversion coating agent and surface-treated metal Kazuhiro Makino, Toshiaki Shimakura 2009-03-31
7250193 Pretreatment method for coating Kazuhiro Makino, Toshiaki Shimakura 2007-07-31
6790900 Treatment agent for hydrophilicity and method for preparing thereof Toshio Inbe, Tatsuo Yoshida 2004-09-14
6554916 Treatment method for making heat exchanger hydrophilic and heat exchanger treated to be hydrophilic Masahiro Kojima, Takashi Sudo, Shintaro Nakagawa, Toshio Inbe, Tatsuo Yoshida 2003-04-29
6528468 Pickling agent for the chemical conversion coating of heat exchanger, method of pickling heat exchanger Kentaro Saito, Toshio Inbe, Kasuyoshi Yamasoe 2003-03-04
5962145 Aluminum surface treatment agent, treatment method, and treated aluminum 1999-10-05
5736349 Magnetic particle and immunoassay using the same Motohiro Sasaki, Katsuaki Yoshioka, Makoto Anan, Mitsuo Isomura, Yoshihiro Ashihara +1 more 1998-04-07
5614585 Hydrophilic surface-treating aqueous solution and hydrophilic surface-treating method Hidekimi Hirasawa, Fujio Mikami, Katsuyoshi Yamasoe 1997-03-25
5527854 Hydrophilic surface-treating aqueous solution and hydrophilic surface-treating method using polyglutamic acid Hidekimi Hirasawa, Fujio Mikami, Katsuyoshi Yamasoe 1996-06-18
5494705 Hydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating film Katsuyoshi Yamasoe, Fujio Mikami, Hidekimi Hirasawa, Kouji Mizohata 1996-02-27
5478872 Hydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating film Katsuyoshi Yamasoe, Fujio Mikami, Hidekimi Hirasawa, Kouji Mizohata 1995-12-26