Inventor · disambiguated record
Shinji Umeki
Also filed as: UMEKI SHINJI
16 granted patents·1 pending application·172 citations·filing 1972–2020
93Inventor score
Top patents by PatentIndex Score
17 records- 0187US4321302AProcess for producing magnetic powder having high coercive forceTDK ELECTRONICS CO LTD·Filed 1980·Granted Mar 23, 1982·52 cites·5 claims
- 0275US4311684AProcess for producing iron oxide containing magnetiteTDK ELECTRONICS CO LTD·Filed 1980·Granted Jan 19, 1982·18 cites·2 claims
- 0371US3958068AProcess for the production of powdered magnetic materialTDK ELECTRONICS CO LTD·Filed 1972·Granted May 18, 1976·13 cites·9 claims
- 0465US4067755AMethod of making powdered magnetic iron oxide materialTDK ELECTRONICS CO LTD·Filed 1975·Granted Jan 10, 1978·12 cites·9 claims
- 0563US4069367AMagnetic powder material comprising iron oxide particles with a copper-cobalt alloy coatingTDK ELECTRONICS CO LTD·Filed 1973·Granted Jan 17, 1978·16 cites·6 claims
- 0661US3977985AMagnetic recording medium comprising cobalt or cobalt alloy coated particles of spicular magnetiteTDK ELECTRONICS CO LTD·Filed 1974·Granted Aug 31, 1976·14 cites·6 claims
- 0752US3953656AMagnetic recording medium and preparation thereofTDK ELECTRONICS CO LTD·Filed 1974·Granted Apr 27, 1976·10 cites·1 claims
- 0850US4010310AMagnetic powderTDK ELECTRONICS CO LTD·Filed 1975·Granted Mar 1, 1977·10 cites·5 claims
- 0949US4251504AProcess for producing acicular goethiteTDK ELECTRONICS CO LTD·Filed 1979·Granted Feb 17, 1981·5 cites·6 claims
- 1049US2021101446A1Temperature adjustment device controller for convertible vehicleTOYOTA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 1142US4323464AProcess for producing hydrated iron oxide having silicon and phosphorus componentTDK ELECTRONICS CO LTD·Filed 1980·Granted Apr 6, 1982·4 cites·6 claims
- 1241US4451502AMethod for manufacturing magnetic recording mediumTAKADA KAZUO·Filed 1982·Granted May 29, 1984·4 cites·5 claims
- 1337US4305921AProcess for producing iron oxideTDK ELECTRONICS CO LTD·Filed 1980·Granted Dec 15, 1981·2 cites·2 claims
- 1437US4255409AProcess for producing acicular goethiteTDK ELECTRONICS CO LTD·Filed 1979·Granted Mar 10, 1981·2 cites·7 claims
- 1537US4112184AMagnetic recording medium and method of preparingTDK ELECTRONICS CO LTD·Filed 1976·Granted Sep 5, 1978·5 cites·6 claims
- 1633US4363831AProcess for producing magnetic powder having high coercive forceTDK ELECTRONICS CO LTD·Filed 1980·Granted Dec 14, 1982·1 cites·1 claims
- 1732US4302510AMagnetic recording mediumTDK ELECTRONICS CO LTD·Filed 1980·Granted Nov 24, 1981·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →