YI

Yoshifumi Ichikawa

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #35,522 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6634182 Ammonia refrigerator Makoto Ohtahara 2003-10-21
6532755 Brine cooling apparatus Tsuneji Morohoshi 2003-03-18