Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843848 | Speaker unit | Kazuya Atsumi, Katsutoki Hanayama, Satoshi Hayakawa | 2017-12-12 |
| 9774937 | Speaker unit | Kazuya Atsumi, Katsutoki Hanayama, Satoshi Hayakawa | 2017-09-26 |
HS
Hiroyuki Shiojima
Overall (2017): #147,648 of 506,227Top 30%
2
Patents 2017