Inventor · disambiguated record
Kiyonori Hayakawa
Also filed as: HAYAKAWA KIYONORI
5 granted patents·40 citations·filing 1974–1987
79Inventor score
Files withSONY CORP5
Top patents by PatentIndex Score
5 records- 0161US4858048AComplex magnetic transducer head of single magnetic pole type for perpendicular mode recordingSONY CORP·Filed 1987·Granted Aug 15, 1989·13 cites·5 claims
- 0259US4635153AMagnetic transducer headSONY CORP·Filed 1983·Granted Jan 6, 1987·11 cites·1 claims
- 0356US3947891AStatic magnetic erasing headSONY CORP·Filed 1974·Granted Mar 30, 1976·7 cites·8 claims
- 0436US4615748AAmorphous soft magnetic thin filmSONY CORP·Filed 1985·Granted Oct 7, 1986·5 cites·5 claims
- 0533US4747888AAmorphous soft magnetic thin filmSONY CORP·Filed 1986·Granted May 31, 1988·4 cites·4 claims
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