Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211898 | Headphone with two resonant peaks for simulating loudspeaker reproduction | Nobuhisa Atoji, Takashi Matsumoto, Kazue Sato, Mitsuhiro Hasegawa | 1980-07-08 |
SK
Shoichi Kusumoto
Overall (All Time): #4,115,478 of 4,157,543Top 100%
1
Patents All Time