Inventor
KATOH IKUO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KATOH IKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
7 patentsUS6514328B1Feb 4, 2003
Marking ink composition and display medium using the same
RICOH KK111 citations97
US7322700B2Jan 29, 2008
Image display apparatus
RICOH KK41 citations92
US5719981AFeb 17, 1998
Opto-electric device
RICOH KK40 citations92
US7125121B2Oct 24, 2006
Image display apparatus
RICOH KK15 citations84
US7215842B2May 8, 2007
Light control element and light control device
RICOH KK9 citations73
US7369734B2May 6, 2008
Optical control device
RICOH KK4 citations63
US7057700B2Jun 6, 2006
Light deflection element, light deflection device and image display device
RICOH KK5 citations63
TDK CORP
4 patentsUS4818959AApr 4, 1989
Phase equalizer
TDK CORP7 citations73
US5469012ANov 21, 1995
Electronic component
TDK CORP10 citations71
US6475823B1Nov 5, 2002
Piezoelectric device with sealed vibration space and manufacturing method thereof
TDK CORP7 citations69
US5850166ADec 15, 1998
Piezoelectric ceramic filter circuit and piezoelectric ceramic filter
TDK CORP5 citations54