Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11796503 | Water detecting device and method of water detection | Hidetoshi Utsumi, Takehiro Fukushima, Shunsuke Konishi, Hodaka Tsuge | 2023-10-24 |
| 11642714 | Progressive pressing method, progressive pressing device, manufacturing method for fuel cell separators and manufacturing apparatus for fuel cell separators | Tomotsugu Takahashi, Kei Matsumoto, Seitaro Nakamura | 2023-05-09 |
| 11583906 | Manufacturing method for fuel cell separator, and manufacturing apparatus for fuel cell separator | Tomotsugu Takahashi, Kei Matsumoto, Seitaro Nakamura | 2023-02-21 |
| 11515560 | Progressive pressing device and manufacturing apparatus for fuel cell separators | Tomotsugu Takahashi, Kei Matsumoto, Seitaro Nakamura | 2022-11-29 |
| 11444358 | Manufacturing method for fuel cell separators and manufacturing apparatus for fuel cell separators | Tomotsugu Takahashi, Kei Matsumoto, Seitaro Nakamura | 2022-09-13 |
| 11168445 | Carbon fiber sheet and method for manufacturing carbon fiber sheet | Tomoko Tamai, Kazuhide Matsuo, Satoshi Aoki, Satoshi Yonezawa, Hidetoshi Utsumi +2 more | 2021-11-09 |
| 10147962 | Method for producing fuel cell membrane electrode assembly | Mai Yokoi, Kazuhide Matsuo, Shunsuke Konishi | 2018-12-04 |
| 10141578 | Method for producing fuel cell membrane electrode assembly | Mai Yokoi, Kazuhide Matsuo, Shunsuke Konishi, Nobuyoshi Muromoto | 2018-11-27 |
| 7172845 | Developing agent and image forming apparatus using the same | Shuitsu Sato, Takashi Urabe, Yasuhito Noda, Takahito Kabai, Taishi Takano | 2007-02-06 |
| 5948549 | Sinter joining method and sintered composite member produced by same | Takemori Takayama, Hirotaka Kato | 1999-09-07 |