Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D819606 | Speaker with multiple diaphragms | Masaaki Kabumoto, Michiaki Shinotsuka, Tsutomu Kawase, Takaya Ochiai, Bob Spikman | 2018-06-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D819606 | Speaker with multiple diaphragms | Masaaki Kabumoto, Michiaki Shinotsuka, Tsutomu Kawase, Takaya Ochiai, Bob Spikman | 2018-06-05 |