Inventor · disambiguated record
Yoshimasa Zama
Also filed as: ZAMA YOSHIMASA
6 granted patents·228 citations·filing 1981–1991
87Inventor score
Top patents by PatentIndex Score
6 records- 0186US4410013AComposite dual tubingNIPPON STEEL CORP·Filed 1981·Granted Oct 18, 1983·59 cites·3 claims
- 0284US4749623AComposite metal sheet with organic and metal intermediate layerNIPPON STEEL CORP·Filed 1986·Granted Jun 7, 1988·54 cites·5 claims
- 0383US4859523AViscoelastic resin for vibration damping materialNIPPON STEEL CORP·Filed 1987·Granted Aug 22, 1989·45 cites·11 claims
- 0465US4404992AComposite dual tubingNIPPON STEEL CORP·Filed 1981·Granted Sep 20, 1983·31 cites·8 claims
- 0558US4413657AExhaust pipe with vibration dampingNIPPON STEEL CORP·Filed 1981·Granted Nov 8, 1983·25 cites·4 claims
- 0647US5288813AViscoelastic resin composition or vibration damping materialTOYO BOSEKI·Filed 1991·Granted Feb 22, 1994·14 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →