Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787578 | Non-phosphorus chemical conversion treatment agent and treatment liquid for plastic working, chemical conversion film, and metal material with chemical conversion film | Tatsunori Doda | 2020-09-29 |
| 10644556 | Method of manufacturing armature coil | Koji Tamura, Shuichi Tamura, Akihiro Yamamura, Issei Doi, Yasukazu Nishimura +2 more | 2020-05-05 |
| 10581283 | Method for controlling power transmitting device, method for detecting foreign object, and power transmitting device in wireless power transmission system | Tetsuro Sawai | 2020-03-03 |