Inventor
YAMADA IKUKO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA IKUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
4 patentsUS6231652B1May 15, 2001
Aqueous ink compositions and ink-jet printing method using the same
RICOH KK89 citations97
US5972082AOct 26, 1999
Aqueous ink composition and ink-jet printing method using the same
RICOH KK93 citations97
US5700614ADec 23, 1997
cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound
RICOH KK21 citations92
US5750762AMay 12, 1998
Cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound
RICOH KK13 citations73