Inventor · disambiguated record
Hachiro Koma
Also filed as: KOMA HACHIRO
4 granted patents·109 citations·filing 1985–1991
80Inventor score
Top patents by PatentIndex Score
4 records- 0175US4625378AMethod of manufacturing fin-tube heat exchangersMATSUSHITA REFRIGERATION·Filed 1985·Granted Dec 2, 1986·36 cites·9 claims
- 0269US4832117AFin tube heat exchangerMATSUSHITA REFRIGERATION·Filed 1988·Granted May 23, 1989·29 cites·14 claims
- 0355US5170842AFin-tube type heat exchangerMATSUSHITA REFRIGERATION·Filed 1989·Granted Dec 15, 1992·19 cites·9 claims
- 0454US5117902AFin tube heat exchangerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jun 2, 1992·25 cites·1 claims
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