Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10526675 | Method for manufacturing steel for high-strength hollow spring | Takuya Kochi, Akira Tange, Kiyoshi Kurimoto, Yurika Goto | 2020-01-07 |
| 9689051 | Hollow seamless pipe for high-strength springs | Kotaro Toyotake | 2017-06-27 |
| 9650704 | Seamless steel pipe for hollow spring | Takuya Kochi, Eiichi Tamura, Kotaro Toyotake | 2017-05-16 |
| 9429255 | Hollow seamless pipe for high-strength spring | Takuya Kochi, Eiichi Tamura, Kotaro Toyotake, Takashi Yajima, Akira Tange | 2016-08-30 |
| 9023159 | Steel for heat treatment | Takuya Kochi | 2015-05-05 |
| 7820958 | Laser scanning microscope that includes a scanning device and at least one controllable optical element that controls the polarization plane of light incident onto a sample, and method of use | Katashi Ishihara | 2010-10-26 |
| 6940042 | Flux-cored wire for gas-shielded arc welding | Noriyuki Hara, Akinobu Goto, Ken Yamashita | 2005-09-06 |
| 6560032 | Liquid immersion lens system and optical apparatus using the same | — | 2003-05-06 |