SN

Susumu Nakayama

HI Hitachi: 1 patents #1,745 of 4,225Top 45%
HC Hitachi Air Conditioning Systems Co.: 1 patents #1 of 10Top 10%
Overall (2003): #41,504 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6516629 Refrigeration cycle Kenji Matsumura 2003-02-11
6505480 Air-conditioner, outdoor unit and refrigeration unit Hiroaki Tsuboe, Akira Saruta, Kazumoto Urata 2003-01-14