Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505028 | Vehicular holding device | Takashi Goto, Hideki Toya, Toshio Kuwayama | 2022-11-22 |
| 10022778 | Coil spring forming method and forming device | Takashi Goto, Takashi Yamashita | 2018-07-17 |
| 9453548 | Method and apparatus for adjusting spring characteristics of a spring | Shuji Kamiya, Yukimasa Kabeya, Junya Narukawa, Takashi Goto | 2016-09-27 |
| 9322447 | Method and apparatus for adjusting spring characteristics of a spring | Shuji Kamiya, Yukimasa Kabeya, Junya Narukawa, Takashi Goto | 2016-04-26 |
| 8777194 | Spiral spring assembly | Toshihiro Suzuki, Itsuo Kojima | 2014-07-15 |
| 6836964 | Method and apparatus for producing a helical spring | Keiji Hasegawa | 2005-01-04 |
| 6779564 | Method and apparatus for setting a helical compression spring | Keiji Hasegawa | 2004-08-24 |