Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163245 | Titanium material and coated titanium material | Kazuhiro Takahashi, Koji Akioka, Eiji Ikeda | 2024-12-10 |
| 11764368 | Titanium material, separator, cell, and polymer electrolyte fuel cell stack | Yoshitaka Nishiyama, Koichi Nose, Junko IMAMURA, Haruka SATO | 2023-09-19 |
| 11326224 | Stainless steel sheet and method of manufacturing the same, separator for solid polymer fuel cell, solid polymer fuel cell, and solid polymer fuel cell battery | Yoshitaka Nishiyama, Koichi Nose, Jun Maki, Junko IMAMURA, Kohei Maejima +1 more | 2022-05-10 |
| 10822679 | Stainless steel product | Shinya Yamamoto, Hiroshi Kamio, Kouichi Takeuchi | 2020-11-03 |
| 10505205 | Titanium product, separator, and proton exchange membrane fuel cell, and method for producing titanium product | Junko IMAMURA, Yoshitaka Nishiyama, Yasuhiro Masaki, Jun Maki, Shunsuke Taniguchi | 2019-12-10 |
| 10227677 | Titanium alloy | Yoshihisa Yonemitsu, Satoshi Matsumoto, Kouichi Takeuchi | 2019-03-12 |
| 9979004 | Clad material | Kentarou Yoshida, Daisaku Arizono, Syuji Yoshida, Hayato Kita, Kouichi Takeuchi +1 more | 2018-05-22 |
| 9947941 | Titanium material for polymer electrolyte fuel cell separator, method for producing the same, and polymer electrolyte fuel cell using the same | Kentarou Yoshida, Kouichi Takeuchi, Satoshi Matsumoto | 2018-04-17 |
| 9680162 | Stainless steel sheet for a separator for a solid polymer fuel cell and a solid polymer fuel cell employing the separator | Junko IMAMURA, Akira Seki, Kouichi Takeuchi | 2017-06-13 |
| 9312546 | Stainless steel material for a separator of a solid polymer fuel cell and a solid polymer fuel cell using the separator | Junko IMAMURA, Yasuto Higashida | 2016-04-12 |
| 8603263 | Duplex stainless steel having excellent alkali resistance | Junichi Higuchi, Yoshiaki Yamade, Shuuji Yoshida, Junko IMAMURA | 2013-12-10 |
| 7659033 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Noriyuki Negi +2 more | 2010-02-09 |
| 7214447 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Noriyuki Negi +2 more | 2007-05-08 |
| 6881518 | Process for manufacture of negative electrode material for a non-aqueous electrolyte secondary battery | Masaru Abe, Noriyuki Negi, Yoshiaki Nitta, Harunari Shimamura, Kazuhiro Okamura | 2005-04-19 |
| 6835496 | Negative electrode material for a non-aqueous electrolyte secondary battery and processes for its manufacture | Masaru Abe, Noriyuki Negi, Yoshiaki Nitta, Harunari Shimamura, Kazuhiro Okamura | 2004-12-28 |
| 6764767 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Noriyuki Negi +2 more | 2004-07-20 |
| 6576369 | Graphite powder suitable for negative electrode material of lithium ion secondary batteries | Koji Moriguchi, Mitsuharu Yonemura, Kazuhito Kamei, Noriyuki Negi, Masaru Abe | 2003-06-10 |