Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11159873 | Wireless headphone system, wireless headphone, and base | Chaofan Zeng, Xiaosheng Lin | 2021-10-26 |
| 10213545 | Body-wall-contact-type water tank and in-cavity fluid perfusion system | Masayuki Teranuma, Tatsuo Igarashi, Masashi Sekine, Yukio Naya, Masanori Niiyama +3 more | 2019-02-26 |
| 10131555 | Method and apparatus for controlling concentration of free chlorine, and sterilization method and sterilization apparatus each utilizing said method and said apparatus | Masakazu Tanahashi, Junichi Watanabe, Masato Fujiwara | 2018-11-20 |