Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790014 | Low-pitched sound creator | Koji Watanabe, Nobuaki Minakuchi, Masayuki Misaki, Kenichi Terai, Yasutoshi Nakama +1 more | 1988-12-06 |
KH
Katsuhiko Hayashi
Overall (All Time): #3,964,381 of 4,157,543Top 100%
1
Patents All Time