Inventor · disambiguated record
Masaji Nagao
Also filed as: NAGAO MASAJI
4 granted patents·41 citations·filing 1985–2016
74Inventor score
Top patents by PatentIndex Score
4 records- 0162US10436329B2Valve having a stem spaced away from a valve seat and configured to rotate around an axis parallel with an opening surface of the valve seatIHARA SCIENCE CORP·Filed 2016·Granted Oct 8, 2019·1 cites·6 claims
- 0257US6530209B2Thermal energy reusing systemHITACHI LTD·Filed 2001·Granted Mar 11, 2003·11 cites·14 claims
- 0352US4589262AAbsorption type air conditioning systemHITACHI LTD·Filed 1985·Granted May 20, 1986·20 cites·7 claims
- 0437US5044174AAbsorption type refrigerating machineHITACHI LTD·Filed 1989·Granted Sep 3, 1991·9 cites·19 claims
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