YS

Youji Sekine

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Tochigi, JP: #1,324 of 2,789 inventorsTop 50%
Overall (All Time): #2,307,676 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5094586 Air conditioner employing cross-flow fan Yoshiro Takada, Shinya Yoshinaga, Atsushi Ootsuka, Hajime Fujita 1992-03-10
4509354 Method of manufacturing fan guard Akio Suzuki, Mitsuo Akiyama, Hideo Uzuhashi, Izumi Ochiai, Hitoshi Yamashita +2 more 1985-04-09