Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391325 | Bearing system, bearing system control method, and computer program for controlling bearing system | Kwangik Na, Yuji Kawaai | 2022-07-19 |
| 10400821 | Vertical bearing device | Kwangik Na, Shigeyoshi Mori | 2019-09-03 |
| 10018222 | Sliding member | Shigeru Inami, Tetsuya Ogawa | 2018-07-10 |
| 9208955 | Dye-sensitized solar cell fabricating kit, dye-sensitized solar cell and method of using the same | Yasutake Kato, Hideyumi Matsumura, Eiji Kato | 2015-12-08 |