KN

Kazuhiko Nakagawa

HC Hitachi Cable: 8 patents #63 of 1,086Top 6%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
KS Kobe Steel: 4 patents #205 of 2,031Top 15%
KS Kobe Steel: 4 patents #359 of 1,773Top 25%
PC Purpose Co.: 3 patents #4 of 34Top 15%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SC Shimizu Industry Co.: 1 patents #9 of 29Top 35%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
MI Mitsuba: 1 patents #291 of 618Top 50%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
📍 Fuji, JP: #4 of 12 inventorsTop 35%
Overall (All Time): #131,874 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
9680081 Precursor wire for Nb3Al superconducting wire, Nb3Al superconducting wire, method for producing precursor wire for Nb3Al superconducting wire, and method for producing Nb3Al superconducting wire Takao Takeuchi, Kiyosumi Tsuchiya 2017-06-13
9518762 Hot water supply system, water heater and hot water supply control method Yasutaka Hatada, Katumi Naitoh 2016-12-13
9182159 Water heater and control method therefor Yasutaka Hatada, Katumi Naitoh 2015-11-10
9177700 Precursor for a Nb3Sn superconductor wire, method for manufacturing the same, Nb3Sn superconductor wire, and superconducting magnet system Yoshihide Wadayama, Katsumi Ohata, Morio Kimura 2015-11-03
8868251 Hot water supply system, water heater and hot water supply control method Yasutaka Hatada, Katumi Naitoh 2014-10-21
8778841 Precursor for a Nb3Sn superconductor wire, method for manufacturing the same, Nb3Sn superconductor wire, and superconducting magnet system Yoshihide Wadayama, Katsumi Ohata, Morio Kimura 2014-07-15
8182960 Metal separator for fuel cells and fabricating method thereof Masahiro Seido, Takaaki Sasaoka, Mineo Washima 2012-05-22
8039171 Current-collecting composite plate for fuel cell and fuel cell fabricated using same Masahiro Seido, Takaaki Sasaoka, Mineo Washima 2011-10-18
7871737 Metal composite for fuel cell and fuel cell bipolar plate using same, and fabrication method for same Mineo Washima, Takaaki Sasaoka, Masahiro Seido 2011-01-18
7862952 Membrane electrode composite module, fuel cell and electronic equipment, and method of manufacturing the membrane electrode composite module Ryuji Kohno, Tatsuya Nagata, Makoto Kitano, Masahiro Seido 2011-01-04
7763393 Fuel cell having electrode channel member with comb-teeth shape Masahiro Seido, Mineo Washima, Takaaki Sasaoka, Kunihiro Fukuda, Katsumi Nomura 2010-07-27
7399532 Corrosive resistant metal material covered with conductive substance Masahiro Seido, Tatsuya Tonogi, Minoru Shirahige, Masahiro Okahara 2008-07-15
6764766 Acrylic resin film, method of producing the same, and laminate using the same Yukio Kitaike, Hideyuki Fujii 2004-07-20
6579623 Composite material member for semiconductor device and insulated and non-insulated semiconductor devices using composite material member Yasutoshi Kurihara, Yasuo Kondo, Takumi Ueno, Toshiaki Morita, Kenji Koyama +2 more 2003-06-17
5879476 Copper alloy having improved corrosion resistance, commutator and motor using the same Masahiko Narushima, Gen Sasaki 1999-03-09
5804287 Acrylic film-laminated molded article and acrylic film Hiroki Hatakeyama, Tomonori Terasawa 1998-09-08
5645769 Humidified cool wind system for vehicles Makoto Tamaru, Shouichi Yamaguchi 1997-07-08
5563227 Mat thermoplastic resin composition and laminate therefrom, matting agent therefor, and method for matting thermoplastic resin Yukio Kitaike, Hiroki Hatakeyama, Suehiro Tayama 1996-10-08
5560994 Mat thermoplastic resin composition and laminate therefrom, matting agent therefore, and method for matting thermoplastic resin Yukio Kitaike, Hiroki Hatakeyama, Suehiro Tayama 1996-10-01
5543463 Mat thermoplastic resin composition and laminate therefrom, matting agent therefore, and method for matting thermoplastic resin Yukio Kitaike, Hiroki Hatakeyama, Suehiro Tayama 1996-08-06
4994226 Method of producing synthetic resin made articles having porous elastic member Yuji Wakayama, Shuji Nakata, Tadashi Shimizu 1991-02-19
4859166 Screw extruding machine Yoshihiro Hamada, Katunobu Hagiwara, Takeoki Noda, Mitunori Asada 1989-08-22
4670209 Vulcanizing method for a tire press Itaru Amano, Yasuhiko Fujieda 1987-06-02
4456381 Closed type mixing/kneading apparatus Kimio Inoue, Tsugushi Fukui, Toshihiro Asai, Akimasa Kuriyama 1984-06-26
4385027 Method and device for unloading of tire from a tire vulcanizer Yasuhiko Fujieda 1983-05-24