YW

Yukinori Watanabe

Overall (1982): #21,308 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321714 Apparatus for defecating a urinal by means of foam Souichi Takai, Kaname Matsumoto 1982-03-30