Inventor · disambiguated record
Yoshio Tawara
Also filed as: TAWARA YOSHIO
21 granted patents·284 citations·filing 1974–1998
95Inventor score
Top patents by PatentIndex Score
21 records- 0193US5034146ARare earth-based permanent magnetSHINETSU CHEMICAL CO·Filed 1990·Granted Jul 23, 1991·72 cites·4 claims
- 0281US3947295AHard magnetic materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Mar 30, 1976·25 cites·4 claims
- 0379US4678634AMethod for the preparation of an anisotropic sintered permanent magnetSHINETSU CHEMICAL CO·Filed 1986·Granted Jul 7, 1987·26 cites·10 claims
- 0475US5024423ASemiconductor diffusion furnace inner tubeSHINETSU CHEMICAL CO·Filed 1989·Granted Jun 18, 1991·23 cites·8 claims
- 0564US4497672AMethod for the preparation of a rare earth-cobalt based permanent magnetSHINETSU CHEMICAL CO·Filed 1983·Granted Feb 5, 1985·13 cites·5 claims
- 0663US4999228ASilicon carbide diffusion tube for semi-conductorSHINETSU CHEMICAL CO·Filed 1989·Granted Mar 12, 1991·15 cites·12 claims
- 0761US5582897AMagnetic recording mediumSHINETSU CHEMICAL CO·Filed 1994·Granted Dec 10, 1996·12 cites·4 claims
- 0860US4971637ARare earth permanent magnetSHINETSU CHEMICAL CO·Filed 1989·Granted Nov 20, 1990·14 cites·4 claims
- 0959US5930582ARare earth-iron-boron permanent magnet and method for the preparation thereofSHINETSU CHEMICAL CO·Filed 1998·Granted Jul 27, 1999·16 cites·9 claims
- 1057US6078237ARare earth-based permanent magnet material and method for the preparation thereofSHINETSU CHEMICAL CO·Filed 1998·Granted Jun 20, 2000·14 cites·6 claims
- 1156US5118573AMagneto-optical recording mediumSHINETSU CHEMICAL CO·Filed 1990·Granted Jun 2, 1992·10 cites·14 claims
- 1252US4375996ARare earth metal-containing alloys for permanent magnetsSHINETSU CHEMICAL CO·Filed 1981·Granted Mar 8, 1983·10 cites·1 claims
- 1347US5554303AMagnetic recording medium preparationSHINETSU CHEMICAL CO·Filed 1995·Granted Sep 10, 1996·8 cites·9 claims
- 1444US5591502AMagnetic recording mediumSHINETSU CHEMICAL CO·Filed 1994·Granted Jan 7, 1997·5 cites·8 claims
- 1542US5643650AMagneto-optical recording mediumSHINETSU CHEMICAL CO·Filed 1995·Granted Jul 1, 1997·5 cites·2 claims
- 1639US5720861AMagnetic recording mediumSHINETSU CHEMICAL CO·Filed 1995·Granted Feb 24, 1998·4 cites·4 claims
- 1737US5057165ARare earth permanent magnet and a method for manufacture thereofSHINETSU CHEMICAL CO·Filed 1990·Granted Oct 15, 1991·5 cites·4 claims
- 1832US4567576AMethod for producing a magnetic bias fieldSHINETSU CHEMICAL CO·Filed 1984·Granted Jan 28, 1986·1 cites·4 claims
- 1931US5514468AMagneto-optical recording mediumSHINETSU CHEMICAL CO·Filed 1993·Granted May 7, 1996·2 cites·3 claims
- 2031US3950194APermanent magnet materialsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Apr 13, 1976·2 cites·2 claims
- 2125US4121952AHard magnetic materialsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Oct 24, 1978·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Yoshio Tawara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →