YS

Yasuji Sakuma

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,253,096 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5956962 Air conditioner Hiroshi Takenaka, Hirokiyo Terada, Minetoshi Izushi, Kensaku Oguni, Makoto Nagai +2 more 1999-09-28
5689965 Air conditioner Hiroshi Takenaka, Hirokiyo Terada, Minetoshi Izushi, Kensaku Oguni, Makoto Nagai +2 more 1997-11-25