Inventor · disambiguated record
Ritsuo Iwata
Also filed as: IWATA RITSUO
14 granted patents·2 pending applications·616 citations·filing 1987–2011
95Inventor score
Top patents by PatentIndex Score
16 records- 0196US5422170AWood based panelsYAMAHA CORP·Filed 1993·Granted Jun 6, 1995·158 cites·7 claims
- 0292US5554429AWood board and flooring materialYAMAHA CORP·Filed 1994·Granted Sep 10, 1996·97 cites·29 claims
- 0390US6376582B1Wood fiberboard and manufacturing method thereforYAMAHA CORP·Filed 2000·Granted Apr 23, 2002·52 cites·6 claims
- 0486US6632326B1Modifying method for wood elementsYAMAHA CORP·Filed 2000·Granted Oct 14, 2003·42 cites·14 claims
- 0583US5506026AWood board and a flooring material made therefromYAMAHA CORP·Filed 1994·Granted Apr 9, 1996·56 cites·10 claims
- 0682US5736218AWood board and a flooring material made therefromYAMAHA CORP·Filed 1995·Granted Apr 7, 1998·45 cites·18 claims
- 0776US6129871AManufacturing method for a wood boardYAMAHA CORP·Filed 1997·Granted Oct 10, 2000·46 cites·8 claims
- 0873US6723766B1Method for manufacturing ligneous materialYAMAHA CORP·Filed 2000·Granted Apr 20, 2004·15 cites·5 claims
- 0966US4911969ADecorative sheet and method of manufacturing the sameYAMAHA CORP·Filed 1987·Granted Mar 27, 1990·38 cites·9 claims
- 1063US5705001AMethod of manufacturing wood based panelsYAMAHA CORP·Filed 1996·Granted Jan 6, 1998·26 cites·2 claims
- 1159US7074844B2AdhesivesYAMAHA CORP·Filed 2003·Granted Jul 11, 2006·4 cites·33 claims
- 1245US6602451B1Wooden material and manufacturing method thereforFORESTRY AND FOREST PRODUCT RE·Filed 1999·Granted Aug 5, 2003·14 cites·26 claims
- 1343US5058777AAutomatic method and apparatus for scattering wood pieces in production of a decorative boardYAMAHA CORP·Filed 1989·Granted Oct 22, 1991·9 cites·6 claims
- 1441US2013123390A1Curing agent composition for epoxy resin adhesive for porous materialSUZUKI KATSUNORI·Filed 2011·Application pending·0 cites
- 1540US4963214AMethod for producing a wooden decorative articleYAMAHA CORP·Filed 1988·Granted Oct 16, 1990·14 cites·36 claims
- 1635US2001031819A1AdhesivesFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →