RT

Ryoichiro Takahashi

Honda Motor Co.: 16 patents #952 of 21,052Top 5%
JS Jsr: 5 patents #221 of 1,137Top 20%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NC Nihon Parkerizing Co.: 1 patents #112 of 330Top 35%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
Overall (All Time): #240,501 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8399148 Varnish for a solid polymer fuel cell Makoto Higami, Igor Rozhanskii, Yoshitaka Yamakawa, Nagayuki Kanaoka, Kaoru Fukuda +1 more 2013-03-19
8236206 Electrode catalyst layer Satoshi Komatsu, Junji Kawai, Toshihiro Ohtsuki, Takanobu Yamamoto, Kaoru Fukuda +1 more 2012-08-07
8043762 Polyphenylene-containing electrode paste Makoto Higami, Igor Rozhanskii, Yoshitaka Yamakawa, Nagayuki Kanaoka, Kaoru Fukuda +1 more 2011-10-25
7981566 Membrane electrode assembly and polymer electrolyte fuel cell therewith Nagayuki Kanaoka, Naoki Mitsuta, Yuichiro Hama, Hiroshi Souma, Masaru Iguchi +1 more 2011-07-19
7897291 Membrane electrode assembly for use in solid polymer electrolyte fuel cell Yoichi Asano, Shintaro Tanaka, Takuma Yamawaki 2011-03-01
7858263 Solid polymer electrolyte fuel cell and method for manufacturing the same Kaoru Fukuda, Junji Matsuo, Tomoyuki Tada, Masahiko Inoue, Koichi Matsutani 2010-12-28
7807314 Membrane electrode assembly for use in solid polymer electrolyte fuel cell Shintaro Tanaka, Yoichi Asano, Takuma Yamawaki 2010-10-05
7727652 Membrane electrode assembly and polymer electrolyte fuel cell therewith Nagayuki Kanaoka, Naoki Mitsuta, Yuichiro Hama, Hiroshi Souma, Masaru Iguchi +1 more 2010-06-01
7638219 Fuel cell without Z-like connection plates and the method producing the same Takashi Komura, Yoichi Asano, Chikara Iwasawa, Masaaki Sakano, Keisuke Andou +1 more 2009-12-29
7601454 Polymer electrolyte fuel cell Chikara Iwasawa, Masahiro Ise, Yoichi Asano, Hideki Watanabe, Atsuhito Yoshizawa +2 more 2009-10-13
7449132 Proton conductive composition and proton conductive membrane Mayumi Kakuta, Toshihiro Otsuki, Nagayuki Kanaoka, Masaaki Nanaumi, Yoichi Asano 2008-11-11
7288336 Membrane electrode assembly of solid polymer electrolyte fuel cell Kaoru Fukuda, Junji Matsuo 2007-10-30
7157175 Solid polymer electrolyte membrane fuel cell electrode catalyst layer Takashi Komura, Yoichi Asano, Masahiro Ise, Hiromichi Yoshida 2007-01-02
7090738 Method of manufacturing membrane electrode assembly Nagayuki Kanaoka, Yoichi Asano 2006-08-15
6706438 Fluid supply device for fuel cell Katsumi Sahoda, Kuri Kasuya, Kazunori Fukuma 2004-03-16
6685984 Method for the production of multilayers Makoto Higami, Kohei Goto, Yoichi Asano, Osamu Kakutani, Gen Okiyama 2004-02-03
6156672 Method of forming dielectric thin film pattern and method of forming laminate pattern comprising dielectric thin film and conductive thin film Yoshihiro Koshido, Kei Fujibayashi, Yuji Toyota, Tadayuki Okawa 2000-12-05
5122288 Cold rolling oil for steel sheet Kaoru Shiraishi, Takeru Sharyo, Masaaki Watanabe, Sakae Sonoda, Osamu Furuyama +1 more 1992-06-16
4585564 Cold rolling oil for steel sheet Eisuke Tohmata, Sakae Sonoda, Shoji Okamoto, Osamu Furuyama 1986-04-29