Inventor
ITOH YOSHIKAZU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “ITOH YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VIDEO RES
4 patentsUS4574304AMar 4, 1986
Audience rating measuring system for television and video tape recorder
VIDEO RES141 citations97
US4905080AFeb 27, 1990
Apparatus for collecting television channel data and market research data
VIDEO RES248 citations96
US4792864ADec 20, 1988
Apparatus for detecting recorded data in a video tape recorder for audience rating purposes
VIDEO RES66 citations96
US4622583ANov 11, 1986
Audience rating measuring system
VIDEO RES98 citations96
TACHI S CO
3 patentsSUMITOMO CHEMICAL CO
3 patentsUS5228899AJul 20, 1993
Hydroxamic acid esters and plant growth regulation therewith
SUMITOMO CHEMICAL CO5 citations61
US4940699AJul 10, 1990
Thiophosphoric acid ester as a soil pest controlling agent
SUMITOMO CHEMICAL CO1 citations52
US5449667ASep 12, 1995
Amidothiophosphate derivative and insecticide, nematocide and acaricide containing the same as active ingredient
SUMITOMO CHEMICAL CO0 citations51
RICOH KK
2 patentsUS5768483AJun 16, 1998
Method of reporting result of execution of print job in network system, method of setting scanning conditions in network system, and network printing/scanning system
RICOH KK311 citations97
US5731879AMar 24, 1998
Simplex/duplex image forming apparatus with document memory
RICOH KK41 citations91