Inventor
SASAO KEIJI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “SASAO KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS6591620B2Jul 15, 2003
Air conditioning equipment operation system and air conditioning equipment designing support system
HITACHI LTD133 citations98
US6454177B1Sep 24, 2002
Air-conditioning controlling system
HITACHI LTD151 citations98
US7836712B2Nov 23, 2010
Air conditioning apparatus
HITACHI LTD37 citations92
US7225171B2May 29, 2007
Air conditioning equipment operation system and air conditioning equipment designing support system
HITACHI LTD31 citations92
US6206658B1Mar 27, 2001
Organic substance processing system and organic substance processing apparatus
HITACHI LTD17 citations82
US7536700B2May 19, 2009
Disc drive unit
HITACHI LTD0 citations40