Inventor
MISHIMA NAOSHI
JP8 patents
Patents
8 patentsUS6329035B1Dec 11, 2001
Optical data storage medium capable of reversibly displaying information
RICOH KK119 citations97
US5608010AMar 4, 1997
Polymers of acrylic acid ester derivatives having a triphenyl amine skeleton
RICOH KK42 citations96
US5496671AMar 5, 1996
Electrophotographic photoconductor
RICOH KK81 citations96
US5411827AMay 2, 1995
Electrophotographic photoconductor
RICOH KK97 citations96
US5322753AJun 21, 1994
Electrophotographic photoconductor and acrylic acid ester polymer for use in the same
RICOH KK42 citations96
US6660452B2Dec 9, 2003
Optical information memory medium and display recording method using the same
RICOH KK21 citations92
US5488137AJan 30, 1996
Acrylic acid ester derivative having a triphenyl amine skeleton
RICOH KK26 citations92
US5339138AAug 16, 1994
Electrophotographic image formation method
RICOH KK53 citations92