Inventor · disambiguated record
Tadashi Ichiyama
Also filed as: ICHIYAMA TADASHI
5 granted patents·164 citations·filing 1979–1984
83Inventor score
Top patents by PatentIndex Score
5 records- 0197US4293350AGrain-oriented electromagnetic steel sheet with improved watt lossNIPPON STEEL CORP·Filed 1979·Granted Oct 6, 1981·57 cites·15 claims
- 0291US4363677AMethod for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surfaceNIPPON STEEL CORP·Filed 1981·Granted Dec 14, 1982·43 cites·8 claims
- 0381US4613842AIron core for electrical machinery and apparatus as well as method for producing the iron coreNIPPON STEEL CORP·Filed 1984·Granted Sep 23, 1986·39 cites·22 claims
- 0456US4647305AProcess for manufacturing amorphous alloy powdersNIPPON KINZOKU CO LTD·Filed 1984·Granted Mar 3, 1987·15 cites·22 claims
- 0546US4552596AGrain-oriented electromagnetic steel sheet with improved watt lossNIPPON STEEL CORP·Filed 1982·Granted Nov 12, 1985·10 cites·26 claims
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