Inventor · disambiguated record
Keiji Sasao
Also filed as: SASAO KEIJI
8 granted patents·2 pending applications·379 citations·filing 1999–2012
88Inventor score
Top patents by PatentIndex Score
10 records- 0196US6454177B1Air-conditioning controlling systemHITACHI LTD·Filed 2001·Granted Sep 24, 2002·151 cites·11 claims
- 0295US6591620B2Air conditioning equipment operation system and air conditioning equipment designing support systemHITACHI LTD·Filed 2002·Granted Jul 15, 2003·133 cites·8 claims
- 0391US7836712B2Air conditioning apparatusHITACHI LTD·Filed 2006·Granted Nov 23, 2010·37 cites·13 claims
- 0485US7543310B2Optical disk apparatus with openings for discharging air from thereinHITACHI LG DATA STORAGE INC·Filed 2005·Granted Jun 2, 2009·9 cites·13 claims
- 0580US7225171B2Air conditioning equipment operation system and air conditioning equipment designing support systemHITACHI LTD·Filed 2003·Granted May 29, 2007·31 cites·6 claims
- 0667US10047746B2Refrigerant compressor and refrigeration cycle deviceKOYAMA MASAKI·Filed 2012·Granted Aug 14, 2018·1 cites·5 claims
- 0754US6206658B1Organic substance processing system and organic substance processing apparatusHITACHI LTD·Filed 1999·Granted Mar 27, 2001·17 cites·19 claims
- 0854US2002128853A1Electric appliance renting systemFiled 2001·Application pending·0 cites
- 0945US7536700B2Disc drive unitHITACHI LTD·Filed 2005·Granted May 19, 2009·0 cites·1 claims
- 1043US2006026610A1Optical disk apparatusHITACHI LTD·Filed 2005·Application pending·0 cites
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