Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11701943 | Method of manufacturing a hollow spring member | Daisuke Takeda | 2023-07-18 |
| 11685211 | Hollow coil spring and suspension device for vehicle | Daisuke Takeda | 2023-06-27 |
| 11254177 | Hollow coil spring and suspension device for vehicle | Daisuke Takeda | 2022-02-22 |
| 10358008 | Suspension coil spring | Kenji Yamamotoya, Hideto Enomoto, Ken Takahashi, Toshiaki Sato, Mitsuhiro Sugiyama +6 more | 2019-07-23 |
| 9713946 | Strut-type suspension and compression coil spring for suspension | Kenji Yamamotoya, Hideto Enomoto, Ken Takahashi, Toshiaki Sato, Mitsuhiro Sugiyama +6 more | 2017-07-25 |
| 9463676 | Suspension and compression coil spring for suspension | Kenji Yamamotoya, Hideto Enomoto, Ken Takahashi, Toshiaki Sato, Mitsuhiro Sugiyama +6 more | 2016-10-11 |
| 7963510 | Compression coil spring device having a discrete support | Tomotake Kato, Toshio Hamano, Masanao Ueda | 2011-06-21 |
| H1062 | Apparatus for producing a printing stencil plate for screen printing | — | 1992-06-02 |