Inventor
KUSUMOTO MASAHIKO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “KUSUMOTO MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
7 patentsUS6124424ASep 26, 2000
Selenized transparent optical material
MITSUI CHEMICALS INC11 citations81
US6303747B1Oct 16, 2001
Selenium-containing transparent optical material
MITSUI CHEMICALS INC2 citations62
US6359180B1Mar 19, 2002
Production method of 4,6-diaminoresorcin
MITSUI CHEMICALS INC1 citations56
US6686509B2Feb 3, 2004
Process for producing α, α-difluorocycloalkane compound
MITSUI CHEMICALS INC1 citations51
US6664364B2Dec 16, 2003
Selenium-containing transparent optical material
MITSUI CHEMICALS INC0 citations51
US6482918B2Nov 19, 2002
Selenium-containing transparent optical material
MITSUI CHEMICALS INC0 citations51
US6974881B2Dec 13, 2005
Production method of 4,6-diaminoresorcin
MITSUI CHEMICALS INC0 citations45
MITSUI TOATSU CHEMICALS
3 patentsUS5302749AApr 12, 1994
Stabilizing method of isocyanate compounds and isocyanate compositions stabilized thereby
MITSUI TOATSU CHEMICALS22 citations92
US5194559AMar 16, 1993
Optical urethane resins and plastic lenses comprising the same
MITSUI TOATSU CHEMICALS27 citations92
US5389708AFeb 14, 1995
Sulfur-containing acid phosphoric ester internal release agent
MITSUI TOATSU CHEMICALS8 citations73