Inventor
YASUMURA MASATERU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “YASUMURA MASATERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HODOGAYA CHEMICAL CO LTD
4 patentsUS7709172B2May 4, 2010
Oxidized mixed cyclic phenol sulfides, and charge control agents and toners using the same
HODOGAYA CHEMICAL CO LTD6 citations72
US7901858B2Mar 8, 2011
Mixed cyclic phenol sulfides, and charge control agents and toners using the same
HODOGAYA CHEMICAL CO LTD5 citations61
US7820832B2Oct 26, 2010
Oxidized mixed cyclic phenol sulfides, and charge control agents and toners using the same
HODOGAYA CHEMICAL CO LTD4 citations61
US7964626B2Jun 21, 2011
Process for producing N,N′-carbonyldiimidazole
HODOGAYA CHEMICAL CO LTD1 citations51
YASUMURA MASATERU
4 patentsUS8232429B2Jul 31, 2012
Methods for producing oxidized cyclic phenol sulfides
YASUMURA MASATERU2 citations58
US8624065B2Jan 7, 2014
Methods for producing oxidized cyclic phenol sulfides
YASUMURA MASATERU0 citations48
US8222428B2Jul 17, 2012
Method for continuously producing oxidized cyclic phenol sulfides
YASUMURA MASATERU0 citations38
US8263786B2Sep 11, 2012
Methods for producing cyclic phenol sulfides
YASUMURA MASATERU0 citations37