YB

Yuichi Banrai

OC Osaka Bosui Construction Co.: 1 patents #4 of 24Top 20%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
Overall (All Time): #3,584,104 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6241925 Method of lining channels Mitsutoshi Hayashi, Mitsunori Komori, Masato Koseki, Tomoyuki Minami, Seiji Mizukami +4 more 2001-06-05