Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408583 | Sound outputting devices using digital displacement data for a PWM sound signal | Kazuyoshi Watanabe | 1995-04-18 |
RI
Ryou Ishikawa
Overall (All Time): #3,768,844 of 4,157,543Top 95%
1
Patents All Time