Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9511576 | Rotary lamination apparatus | Kazuyuki HIRATA, Hajime Banno | 2016-12-06 |
| 9364883 | Method of producing a separator | Takuma Watanabe, Kohei Ushida | 2016-06-14 |
| 9016345 | Rotary lamination apparatus | Kazuyuki HIRATA, Hajime Banno | 2015-04-28 |
| 8828622 | Separator for fuel cell and manufacturing method of the same | Takuma Watanabe | 2014-09-09 |
| 8361269 | Method for punching before performing rotated lamination | Masami Sakakibara | 2013-01-29 |
| 8235278 | Press method and press apparatus | Takuma Watanabe, Hajime Banno | 2012-08-07 |
| 8215148 | Shear punching die assemblies | Kouhei Ushida, Takuma Watanabe | 2012-07-10 |
| 8113030 | Methods for manufacturing flanged article | Kouhei Ushida | 2012-02-14 |