RD

Ryouta Doi

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
HC Hitachi Car Engineering Co.: 1 patents #39 of 145Top 30%
📍 Ibaraki, JP: #221 of 742 inventorsTop 30%
Overall (2004): #122,722 of 270,089Top 50%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6823659 Moisture removal device and method thereof for internal combustion engine use exhaust gas cleaning device Toshifumi Hiratsuka, Norihiro Shinotsuka, Osamu Kuroda, Yuichi Kitahara, Takeshi Inoue +1 more 2004-11-30