Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10707510 | Membrane electrode assembly | Takuma Yamawaki | 2020-07-07 |
| 10297850 | Membrane electrode assembly | Takao FUKUMIZU, Hiroshi MATSUMORI, Takuma Yamawaki | 2019-05-21 |
| 10290877 | Membrane electrode assembly | Takao FUKUMIZU, Hiroshi MATSUMORI, Takuma Yamawaki, Mihoko KAWAHARADA | 2019-05-14 |
| 8691459 | Fuel cell system and scavenging method therefor | Hiroshi Morikawa, Jun Takano, Chihiro Wake | 2014-04-08 |
| 8101309 | Fuel cell system and scavenging method therefor | Hiroshi Morikawa, Jun Takano, Chihiro Wake | 2012-01-24 |
| 7981566 | Membrane electrode assembly and polymer electrolyte fuel cell therewith | Nagayuki Kanaoka, Naoki Mitsuta, Yuichiro Hama, Ryoichiro Takahashi, Hiroshi Souma +1 more | 2011-07-19 |
| 7897291 | Membrane electrode assembly for use in solid polymer electrolyte fuel cell | Ryoichiro Takahashi, Shintaro Tanaka, Takuma Yamawaki | 2011-03-01 |
| 7807314 | Membrane electrode assembly for use in solid polymer electrolyte fuel cell | Shintaro Tanaka, Ryoichiro Takahashi, Takuma Yamawaki | 2010-10-05 |
| 7749630 | Polymer electrolyte membrane and polymer electrolyte fuel cell comprising same | Masaaki Nanaumi, Hiroshi Sohma, Nagayuki Kanaoka, Nobuhiro Saito | 2010-07-06 |
| 7727652 | Membrane electrode assembly and polymer electrolyte fuel cell therewith | Nagayuki Kanaoka, Naoki Mitsuta, Yuichiro Hama, Ryoichiro Takahashi, Hiroshi Souma +1 more | 2010-06-01 |
| 7638219 | Fuel cell without Z-like connection plates and the method producing the same | Takashi Komura, Chikara Iwasawa, Ryoichiro Takahashi, Masaaki Sakano, Keisuke Andou +1 more | 2009-12-29 |
| 7601454 | Polymer electrolyte fuel cell | Ryoichiro Takahashi, Chikara Iwasawa, Masahiro Ise, Hideki Watanabe, Atsuhito Yoshizawa +2 more | 2009-10-13 |
| 7566511 | Solid polymer cell assembly | Yoshinori Wariishi, Naoyuki Enjoji, Hiroshi Shinkai | 2009-07-28 |
| 7494733 | Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell | Masaaki Nanaumi, Nagayuki Kanaoka, Hiroshi Sohma, Naoki Mitsuta | 2009-02-24 |
| 7463213 | Antenna unit having a single antenna element and a periodic structure upper plate | Hisamatsu Nakano, Hidekazu Umetsu, Junji Yamauchi, Akira Miyoshi | 2008-12-09 |
| 7449132 | Proton conductive composition and proton conductive membrane | Mayumi Kakuta, Toshihiro Otsuki, Nagayuki Kanaoka, Masaaki Nanaumi, Ryoichiro Takahashi | 2008-11-11 |
| 7445867 | Electrode structure for solid-polymer type fuel cell | Naoki Mitsuta, Nagayuki Kanaoka, Hiroshi Sohma | 2008-11-04 |
| 7208242 | Solid polymer type fuel cell | Masaaki Nanaumi, Hiroshi Sohma, Nagayuki Kanaoka, Nobuhiro Saito, Keisuke Andou +2 more | 2007-04-24 |
| 7157175 | Solid polymer electrolyte membrane fuel cell electrode catalyst layer | Takashi Komura, Masahiro Ise, Ryoichiro Takahashi, Hiromichi Yoshida | 2007-01-02 |
| 7090738 | Method of manufacturing membrane electrode assembly | Nagayuki Kanaoka, Ryoichiro Takahashi | 2006-08-15 |
| 6933068 | Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same | Masaaki Nanaumi, Nagayuki Kanaoka, Hiroshi Sohma, Nobuhiro Saito, Junji Matsuo +4 more | 2005-08-23 |
| 6926984 | Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same | Masaaki Nanaumi, Hiroshi Sohma, Nagayuki Kanaoka, Nobuhiro Saito | 2005-08-09 |
| 6844097 | Solid polymer type fuel cell | Kaoru Fukuda, Nagayuki Kanaoka, Nobuhiro Saito, Masaaki Nanaumi | 2005-01-18 |
| 6720106 | Membrane electrode assembly for fuel and process for producing the same | Kaoru Fukuda, Masaaki Nanaumi, Nobuhiro Saito, Nagayuki Kanaoka | 2004-04-13 |
| 6685984 | Method for the production of multilayers | Makoto Higami, Kohei Goto, Ryoichiro Takahashi, Osamu Kakutani, Gen Okiyama | 2004-02-03 |