Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10593306 | Keyboard instrument | Hirokazu Taniguchi, Akihisa Hoshino | 2020-03-17 |
| 10580390 | Keyboard instrument | Hirokazu Taniguchi | 2020-03-03 |
| D791864 | Drum cartridge with toner container | — | 2017-07-11 |
| D715355 | Toner cartridge | Hiroaki OTSUBO, Moriyuki Kouroku | 2014-10-14 |
| D713872 | Drum cartridge | Hiroaki OTSUBO, Moriyuki Kouroku | 2014-09-23 |