Inventor · disambiguated record
Toshitomo Hayami
Also filed as: HAYAMI TOSHITOMO
2 granted patents·27 citations·filing 1988–1989
60Inventor score
Files withTOSHIBA KK2
Top patents by PatentIndex Score
2 records- 0170US5002009AFurnace for formation of black oxide film on the surface of thin metal sheet and method for formation of black oxide film on the surface of shadow mask material by use of said furnaceTOSHIBA KK·Filed 1989·Granted Mar 26, 1991·19 cites·5 claims
- 0237US4859251AFurnace for formation of black oxide film on the surface of thin metal sheet and method for formation of black oxide film on the surface of shadow mask material by use of said furnaceTOSHIBA KK·Filed 1988·Granted Aug 22, 1989·8 cites·3 claims
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