Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187499 | Self-adaptive air bag blocking device | — | 2025-01-07 |
| 12066149 | Quick-injection grease filling device | — | 2024-08-20 |
| 11999044 | One-way oil-way driven expansion and retraction movement tool | — | 2024-06-04 |
| 11788682 | Quick-injection grease filling device | — | 2023-10-17 |
| 11686765 | Die extraction method | — | 2023-06-27 |
| 11602842 | Lifting robot and robot system | — | 2023-03-14 |
| 10927438 | Fe-Ni-Cr alloy, Fe-Ni-Cr alloy strip, sheath heater, method of manufacturing Fe-Ni-Cr alloy, and method of manufacturing sheath heater | Kazuhiro Yamakawa, Shigeru Hirata, Hidekazu Todoroki | 2021-02-23 |
| 10415604 | Pumping device for sucking or draining fluid | — | 2019-09-17 |
| 9777356 | Austenitic Fe—Ni—Cr alloy | Kazuhiro Yamakawa, Shigeru Hirata | 2017-10-03 |
| 9682889 | Temperature-sensitive antifreezing material for asphalt pavement and method for preparing same | — | 2017-06-20 |
| 8858189 | Pumping device for sucking or draining fluid | — | 2014-10-14 |
| 8573246 | Automatic filling termination device and cryogenic vessel with the same | Guoquan Lv, Minghua Deng, Pingan Jiang | 2013-11-05 |