Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11855315 | Separator-integrated gasket | Hajime Yui, Ryo TOMITA | 2023-12-26 |
| 11491579 | Laser welding method | — | 2022-11-08 |
| 11417896 | Production method for separator integrated gasket for fuel cells | — | 2022-08-16 |
| 11389901 | Laser welding method and laser welding jig device | Kento Nagamatsu, Hiroyuki Higashi | 2022-07-19 |
| 11302931 | Method of manufacturing separator assembly used for fuel cell | Junichi Shimada, Hajime Yui, Shigeru Watanabe | 2022-04-12 |
| 10854894 | Method of manufacturing plate-integrated gasket | — | 2020-12-01 |
| 10513066 | Gasket molded product and method of manufacturing the same | Yoshihiro Kurano | 2019-12-24 |
| 10090536 | Seal structure for fuel battery | Shigeru Watanabe | 2018-10-02 |
| 9895835 | Molding apparatus | Shotaro Koga, Tetsuya Urakawa, Takeshi Masaka, Yoshihiro Kurano, Shigeru Watanabe | 2018-02-20 |
| 9562609 | Plate-integrated gasket | Shigeru Watanabe | 2017-02-07 |
| 9090024 | Method for producing molded gasket | Shigeru Watanabe | 2015-07-28 |
| 9093673 | Fuel cell constituting component | Shigeru Watanabe | 2015-07-28 |
| 8628894 | Fuel cell sealing structure comprising stepped gas diffusion layers | Yoshihiro Kurano, Shigeru Watanabe | 2014-01-14 |