Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6838604 | Wooden bars arranged for percussion instruments | Hiroyasu Abe, Masayuki Kato, Yasumasa Shimizu | 2005-01-04 |
YS
Yasuyuki Semba
Overall (2005): #73,106 of 245,428Top 30%
1
Patents 2005