Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10051412 | Locational information transmission system, locational information transmission apparatus, and information processing device | Tsutomu Kawase | 2018-08-14 |
| D819606 | Speaker with multiple diaphragms | Masaaki Kabumoto, Tsutomu Kawase, Takaya Ochiai, Takashi Saitoh, Bob Spikman | 2018-06-05 |
| 9960858 | Positional information transmission system, positional information transmitter, and positional information transmitting method | Tsutomu Kawase | 2018-05-01 |
| 9955259 | Transmitter and position information management system | Tsutomu Kawase, Takaya Ochiai, Takashi Saito | 2018-04-24 |