HI

Hirozumi Ito

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
📍 Moriyama, JP: #908 of 2,577 inventorsTop 40%
Overall (All Time): #1,616,998 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6457320 Air conditioner, its installation tool, and method of installation of air conditioner Kazuhiro Nishikawa, Hiroharu Kurisutani, Yasuhiro Nakamura, Kenji Shirai 2002-10-01
6412297 Air conditioner installation tool Kazuhiro Nishikawa, Hiroharu Kurisutani, Yasuhiro Nakamura, Kenji Shirai 2002-07-02
6141983 Air conditioner Kazuhiro Nishikawa, Noriya Asada, Chiaki Morimoto, Hirokazu Sakai, Shigeki Tomita 2000-11-07