Inventor · disambiguated record
Masanori Yamakawa
Also filed as: YAMAKAWA MASANORI
3 granted patents·41 citations·filing 1983–1986
70Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0163US4824329AMethod and apparatus for controlling liquid metal flowHITACHI LTD·Filed 1986·Granted Apr 25, 1989·26 cites·14 claims
- 0244US4602682AHeat exchangerHITACHI LTD·Filed 1983·Granted Jul 29, 1986·10 cites·13 claims
- 0334US4742692AMethod of air-conditioning and system for the sameHITACHI LTD·Filed 1986·Granted May 10, 1988·5 cites·5 claims
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