Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11996591 | Attachment structure for deformation absorption member and attachment method | Yosuke Fukuyama, Takeshi Shiomi, Yusuke Terada | 2024-05-28 |
| 11411275 | Spring member, fuel cell unit, fuel cell stack, and method for manufacturing fuel cell stack | Motoki Yaginuma, Koichi Kawasaki | 2022-08-09 |
| 11339844 | Coil spring assembly | Mitsuteru Mimura, Yosuke Kawai, Shuji Takahashi | 2022-05-24 |
| 11069915 | Spring member, fuel cell unit, and fuel cell stack | Motoki Yaginuma, Akira Yasutake, Koichi Kawasaki | 2021-07-20 |
| 10644329 | Fuel cell stack having a displacement absorbing member disposed in a cooling fluid channel | Yosuke Fukuyama, Keita Iritsuki, Yusuke Terada | 2020-05-05 |
| 10320009 | Deformation absorption member and fuel cell | Yosuke Fukuyama, Takeshi Shiomi, Yusuke Terada | 2019-06-11 |
| 9960435 | Fuel-cell-stack manufacturing method and fuel-cell-stack | Yosuke Fukuyama, Takeshi Shiomi, Yusuke Terada | 2018-05-01 |
| 9955611 | Pressure structure and pressure unit | Yusuke Terada, Yosuke Kawai | 2018-04-24 |
| 9829046 | Tolerance ring | Toshimitsu Araki, Mitsuteru Mimura | 2017-11-28 |
| 9429190 | Tolerance ring and method of manufacturing tolerance ring | Michinobu Hirama, Atsushi Shitama | 2016-08-30 |
| 9400027 | Coned disc spring | Hironobu Imaizumi | 2016-07-26 |
| 9255609 | Tolerance ring, hard disk device, and method for manufacturing hard disk device | Toshimitsu Araki, Mitsuteru Mimura | 2016-02-09 |
| 9019663 | Tolerance ring | Toshimitsu Araki, Mitsuteru Mimura | 2015-04-28 |
| 8950739 | Spring | Jun Tominaga, Hidemasa Ito | 2015-02-10 |
| 8523153 | Spring | Hidemasa Ito | 2013-09-03 |
| 8312853 | Valve spring device and valve train of engine using the same | Kazuo Iwata, Noritoshi Takamura, Jun Tominaga | 2012-11-20 |
| 8025039 | Valve spring device and valve train of internal combustion engine using the same | Kazuo Iwata, Noritoshi Takamura, Jun Tominaga, Takeshi Yabushita | 2011-09-27 |
| 7362933 | Optical branching unit | Fumio Takahashi, Koji Ishikawa | 2008-04-22 |