KT

Koki Tanaka

NS Nippon Steel: 12 patents #150 of 4,423Top 4%
TL Tokyo Electron Limited: 10 patents #748 of 5,567Top 15%
TC Toyoda Gosei Co.: 9 patents #257 of 2,296Top 15%
NM Nippon Steel & Sumitomo Metal: 7 patents #120 of 1,491Top 9%
US Usinor: 3 patents #6 of 185Top 4%
SI Sintokogio: 2 patents #157 of 455Top 35%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
SC Seikosha Co.: 1 patents #184 of 312Top 60%
AI Aisin: 1 patents #310 of 1,000Top 35%
Overall (All Time): #72,277 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
8361676 Solid polymer type fuel cell separator and method of production of same Youichi Ikematsu, Hiroshi Kihira, Michio Kaneko, Wataru Hisada, Tamotsu Itoh 2013-01-29
8304141 Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator Hiroshi Kihira, Michio Kaneko, Mitsuharu Yamagata, Yoichi Ikematsu, Yoichi Matsuzaki +3 more 2012-11-06
8182961 Solid polymer type fuel cell separator and method of production of same Youichi Ikematsu, Hiroshi Kihira, Michio Kaneko, Wataru Hisada, Tamotsu Itoh 2012-05-22
8123250 Airbag apparatus Masanori Oyabu, Kazuhiro Nakayama, Tetsuya Ogata, Hirokazu Matsuura 2012-02-28
7942982 Grain-oriented electrical steel sheet excellent in coating adhesion and method of producing the same Yuji Kubo, Eiichi Nanba, Satoshi Arai, Hotaka Honma, Kazumi Mizukami 2011-05-17
7807281 Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator Hiroshi Kihira, Michio Kaneko, Mitsuharu Yamagata, Yoichi Ikematsu, Yoichi Matsuzaki +3 more 2010-10-05
7695826 Alloyed molten zinc plated steel sheet and process of production of same Yoichi Ikematsu, Shunichi Hayashi, Hideaki Sawada, Akira Takahashi, Kazuhiko Honda +2 more 2010-04-13
7687152 High strength molten zinc plated steel sheet and process of production of same Yoichi Ikematsu, Shunichi Hayashi, Hideaki Sawada, Akira Takahashi, Kazuhiko Honda +2 more 2010-03-30
7682706 Precoated metal sheet with little affect on environment Hiromasa Shoji, Hiromasa Nomura, Yuji Kubo, Takeshi Hamada 2010-03-23
7678204 Good-workability and high-strength cold-rolled steel sheet excellent in post-painting corrosion resistance Toshiyuki Katsumi, Kazuhiko Honda, Kaoru Yamazaki, Takahiro Tanae, Katsuyoshi Kaneko +2 more 2010-03-16
7608337 Chemical conversion-treated metal plate Masao Kimura, Hiromasa Shoji, Hiromasa Nomura 2009-10-27
7238431 Highly corrosion-resistant hot dip plated steel material excellent in surface smoothness Kazuhiko Honda, Akira Takahashi, Yoshihiro Suemune, Hidetoshi Hatanaka, Tsuyoshi Miyake +1 more 2007-07-03
7204887 Wafer holding, wafer support member, wafer boat and heat treatment furnace Keisuke Kawamura, Tsutomu Sasaki, Atsuki Matsumura, Atsushi Ikari, Isao Hamaguchi +2 more 2007-04-17
6850868 Maintenance system for analyzing instrument Koichi Yamamoto, Haruhiko Miyagawa 2005-02-01
5206685 Apparatus for maintaining an electrophotographic apparatus Kei Hara 1993-04-27
5112148 Electronic typewriter with override of spelling-checking function Yoshikazu Heshiki, Takeshi Nakayama 1992-05-12
D274313 Clock 1984-06-19