YC

Yukio Chihara

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Overall (All Time): #1,289,459 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5697152 Method of manufacturing an impeller Susumu Yamazaki, Eiichi Ito, Hiroshi Asabuki, Masayuki Fujio, Hajime Fujita +9 more 1997-12-16
5536139 Vortex flow blower having blades each formed by curved surface Susumu Yamazaki, Eiichi Ito, Hiroshi Asabuki, Masayuki Fujio, Hajime Fujita +9 more 1996-07-16
5395210 Vortex flow blower having blades each formed by curved surface and method of manufacturing the same Susumu Yamazaki, Eiichi Ito, Hiroshi Asabuki, Masayuki Fujio, Hajime Fujita +9 more 1995-03-07
D327316 Vortex blower Toshiharu Yoshidomi, Takeshi Abe, Eiichi Ito, Masayuki Fujio, Kazuo Kobayashi +1 more 1992-06-23