EN

Eiji Nakatsuno

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,274,425 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6487868 Air conditioner and method for controlling air conditioner Shigehiro Sato, Shiho Furuya, Masahiro Watanabe, Toshiyuki Imasaka 2002-12-03
5020332 Air conditioner and a drive apparatus therefor Yasunori Himeno, Yasuhiko Ebata, Masatosi Nagano 1991-06-04
4907646 Heat exchanger Osamu Aoyagi, Shoichi Yokoyama, Hirotada Kaneko, Shotaro Ito 1990-03-13
4901534 Defrosting control of air-conditioning apparatus Yasunori Himeno, Koji Murozono 1990-02-20