KN

Kazu Niwa

ZE Zeon: 6 patents #109 of 734Top 15%
NC Nippon Zeon Co.: 2 patents #188 of 609Top 35%
ZC Zeon Chemicals: 1 patents #10 of 32Top 35%
Overall (All Time): #634,369 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10691037 Production method of rubber composition Clark Cable 2020-06-23
9771454 Method of production of polyether rubber Tomoyuki NARITA 2017-09-26
8092969 Full color image forming process 2012-01-10
7422833 Toner, production process thereof, and process for forming image Fuminari Oyama 2008-09-09
7378207 Magenta toner and production process thereof Fuminari Oyama 2008-05-27
6887637 Toner for electrostatic image development and process for producing the same 2005-05-03
6562535 Toner for development of electrostatic image Kojiro Masuo, Shuichi YOKOYAMA, Takuji Kishimoto 2003-05-13
6342328 Toner for development of electrostatic charge image and method for producing the same Takahiro Takasaki, Kojiro Masuo, Kazuhiro Sato 2002-01-29