Inventor
SAKAI HISASHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS4975408ADec 4, 1990
Thermosensitive recording material
RICOH KK18 citations82
US4895828AJan 23, 1990
Thermosensitive recording material
RICOH KK10 citations74
US5102693AApr 7, 1992
Thermosensitive recording material
RICOH KK12 citations73
US4571605AFeb 18, 1986
Thermosensitive recording material
RICOH KK15 citations73
US4507670AMar 26, 1985
Thermosensitive recording material
RICOH KK11 citations73
US4164307AAug 14, 1979
Cap with supply stopper for use with containers
RICOH KK17 citations73
US5137864AAug 11, 1992
Thermosensitive recording material
RICOH KK5 citations70
US4916111AApr 10, 1990
Thermosensitive recording material
RICOH KK12 citations70