Inventor

OOKUBO KIMIHIKO

JP8 patents

⚠️ This page may combine multiple inventors who share the name “OOKUBO KIMIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KONICA MINOLTA MED & GRAPHIC

2 patents

US7390840B2Jun 24, 2008

Active ray curable composition, active ray curable ink, image forming method and inkjet recording apparatus utilizing the same

KONICA MINOLTA MED & GRAPHIC0 citations51

US7360883B2Apr 22, 2008

Active ray curable ink, image forming method and ink-jet recording apparatus

KONICA MINOLTA MED & GRAPHIC0 citations49

DAIFUKU KOJI

2 patents

US8729285B2May 20, 2014

Copper complex compound and electrophotographic toner containing the same

DAIFUKU KOJI0 citations44

US8329368B2Dec 11, 2012

Electrophotographic toner

DAIFUKU KOJI1 citations44

OOKUBO KIMIHIKO

2 patents

US8269018B2Sep 18, 2012

Pyrazolotriazole compound and electrophotographic toner

OOKUBO KIMIHIKO0 citations43

US8846965B2Sep 30, 2014

Toner for electrophotography and metal-containing compound

OOKUBO KIMIHIKO0 citations42

KONICA MINOLTA BUSINESS TECH

1 patent

US7943279B2May 17, 2011

Copper complex compound and electrophotographic toner containing the same

KONICA MINOLTA BUSINESS TECH0 citations48

ISHIDAI KEIKO

1 patent

US9062225B2Jun 23, 2015

Production process for colorant, colorant composition, toner, ink for ink jet recording and color filter

ISHIDAI KEIKO0 citations41