KH

Katsumasa Hoshi

SD Showa Denko: 1 patents #8 of 79Top 15%
📍 Hasuda, JP: #2 of 10 inventorsTop 20%
Overall (1989): #90,804 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4850533 Telescopic drinking straw Yukihiro Nomura, Ryosuke Kamei, Hiroshi Shibano, Takeshi Banba 1989-07-25