Inventor · disambiguated record
Toshio Ozone
Also filed as: OZONE TOSHIO
7 granted patents·142 citations·filing 1981–1998
87Inventor score
Top patents by PatentIndex Score
7 records- 0180US4770721AProcess of treating steel for a vehicle suspension spring to improve sag-resistanceAICHI STEEL WORKS LTD·Filed 1986·Granted Sep 13, 1988·30 cites·15 claims
- 0278US5897717AHigh strength spring steel and process for producing sameNIPPON STEEL CORP·Filed 1998·Granted Apr 27, 1999·25 cites·6 claims
- 0378US4544406ASpring steel having a good sag-resistance and a good hardenabilityAICHI STEEL WORKS LTD·Filed 1982·Granted Oct 1, 1985·23 cites·8 claims
- 0471US4448617ASteel for a vehicle suspension spring having good sag-resistanceAICHI STEEL WORKS LTD·Filed 1981·Granted May 15, 1984·15 cites·12 claims
- 0569US5009843ASpring steel having good durability and sag-resistanceAICHI STEEL WORKS LTD·Filed 1990·Granted Apr 23, 1991·31 cites·4 claims
- 0656US4574016AMethod of treating steel for a vehicle suspension spring having a good sag-resistanceAICHI STEEL WORKS LTD·Filed 1984·Granted Mar 4, 1986·9 cites·13 claims
- 0749US4711675AProcess for improving the sag-resistance and hardenability of a spring steelAICHI STEEL WORKS LTD·Filed 1985·Granted Dec 8, 1987·9 cites·8 claims
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