Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11509392 | Signal quality information notification method and relay communication apparatus | Shokei Kobayashi, Seiki Kuwabara, Yoshiaki Yamada | 2022-11-22 |
| 11446631 | Alkaline earth metal ion adsorbent, and production method of the same, and alkaline earth metal ion-containing liquid treatment apparatus | Takashi Sakuma, Makoto Komatsu, Takeshi Izumi, Takayasu Tanaka, Hidenori Ishioka +5 more | 2022-09-20 |
| 11342990 | State estimating device and communication system | Seiki Kuwabara, Wataru Kawakami, Hideki Nishizawa, Seiji Okamoto, Akira Hirano +4 more | 2022-05-24 |