AK

Akeshi Kegasa

OC Osaka Bosui Construction Co.: 1 patents #4 of 24Top 20%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
Overall (All Time): #3,909,761 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4950446 Method of lining pipes Namio Kinumoto, Toshihiko Kikuchi 1990-08-21