Inventor · disambiguated record
Naka Hirayama
Also filed as: HIRAYAMA NAKA
10 granted patents·60 citations·filing 1998–2007
89Inventor score
Files withNITTO KOGYO KK10
Top patents by PatentIndex Score
10 records- 0172US7776935B2Water-in-oil emulsion composition for forming silicone elastomer porous materialNITTO KOGYO KK·Filed 2007·Granted Aug 17, 2010·1 cites·11 claims
- 0269US6685612B2Developing rollerNITTO KOGYO KK·Filed 2002·Granted Feb 3, 2004·8 cites·7 claims
- 0367US7007384B2Developing roller and method of producing the sameNITTO KOGYO KK·Filed 2002·Granted Mar 7, 2006·7 cites·8 claims
- 0462US6471628B1Developing roller with porous surfaceNITTO KOGYO KK·Filed 1998·Granted Oct 29, 2002·10 cites·20 claims
- 0559US7285578B2Water-in-oil emulsion composition for forming silicone elastomer porous materialNITTO KOGYO KK·Filed 2004·Granted Oct 23, 2007·3 cites·9 claims
- 0657US6270449B1Developing rollerNITTO KOGYO KK·Filed 1999·Granted Aug 7, 2001·13 cites·18 claims
- 0755US6555163B2Developing roller and method of producing the sameNITTO KOGYO KK·Filed 2002·Granted Apr 29, 2003·4 cites·6 claims
- 0851US6461674B1Developing roller and method of producing the sameNITTO KOGYO KK·Filed 2000·Granted Oct 8, 2002·3 cites·6 claims
- 0939US6092032AElectroconductive roller and apparatus and method for testing itNITTO KOGYO KK·Filed 1999·Granted Jul 18, 2000·8 cites·13 claims
- 1032US6383564B1Method for forming a porous covering layer on a substrateNITTO KOGYO KK·Filed 1999·Granted May 7, 2002·3 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →