Inventor · disambiguated record
Kazu Niwa
Also filed as: NIWA KAZU
8 granted patents·1 pending application·91 citations·filing 1999–2018
85Inventor score
Top patents by PatentIndex Score
9 records- 0184US6342328B1Toner for development of electrostatic charge image and method for producing the sameNIPPON ZEON CO·Filed 1999·Granted Jan 29, 2002·38 cites·12 claims
- 0281US6562535B1Toner for development of electrostatic imageNIPPON ZEON CO·Filed 2000·Granted May 13, 2003·30 cites·20 claims
- 0371US10691037B2Production method of rubber compositionZEON CORP·Filed 2018·Granted Jun 23, 2020·1 cites·8 claims
- 0459US7422833B2Toner, production process thereof, and process for forming imageZEON CORP·Filed 2001·Granted Sep 9, 2008·8 cites·19 claims
- 0555US6887637B2Toner for electrostatic image development and process for producing the sameZEON CORP·Filed 2001·Granted May 3, 2005·6 cites·11 claims
- 0654US8092969B2Full color image forming processNIWA KAZU·Filed 2008·Granted Jan 10, 2012·2 cites·10 claims
- 0754US7378207B2Magenta toner and production process thereofZEON CORP·Filed 2003·Granted May 27, 2008·6 cites·19 claims
- 0849US2014097388A1Production method of rubber compositionZEON CHEMICALS LP·Filed 2013·Application pending·0 cites
- 0946US9771454B2Method of production of polyether rubberZEON CORP·Filed 2014·Granted Sep 26, 2017·0 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →