YI

Yoshihiro Ikegami

PC Pacific Metals Co.: 1 patents #4 of 27Top 15%
RO Roland: 1 patents #161 of 292Top 60%
Overall (All Time): #2,125,179 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7769192 Speaker system with oscillation detection unit Masayuki Takagi, Kosuke Takata 2010-08-03
4403863 Method for preparing concrete by use of multi-layer pan type mixer Takeshi Fukushima, Kiyoshi Sakagami 1983-09-13