MT

Masatake Tsuboi

YK Ykk: 2 patents #317 of 845Top 40%
YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
📍 Kurobe, JP: #58 of 165 inventorsTop 40%
Overall (All Time): #1,619,593 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6500550 Resin-composite aluminum profiles, heat insulating aluminum profiles, and method and apparatus for production thereof Masaki Wakabayashi, Norio Shioda, Shigeo Irie, Masaaki Iwakura, Toshiyuki Shoji 2002-12-31
6143372 Resin-composite aluminum profiles and apparatus for production thereof Masaki Wakabayashi, Norio Shioda, Shigeo Irie, Masaaki Iwakura, Toshiyuki Shoji 2000-11-07
4420378 Method for forming decorative colored streak patterns on the surface of an aluminum shaped article Hatsuo Hirono, Kazuo Aikawa 1983-12-13