Inventor

IWAMOTO RYOHEI

JP8 patents

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

KONISHIROKU PHOTO IND

3 patents

US6699649B2Mar 2, 2004

Silver salt photothermographic imaging material, and image recording method and image forming method by the use thereof

KONISHIROKU PHOTO IND17 citations82

US6800431B2Oct 5, 2004

Photothermographic material

KONISHIROKU PHOTO IND4 citations61

US5945268AAug 31, 1999

Silver halide color photographic light-sensitive material

KONISHIROKU PHOTO IND0 citations36

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

KONICA MINOLTA BUSINESS TECH

1 patent

US7943279B2May 17, 2011

Copper complex compound and electrophotographic toner containing the same

KONICA MINOLTA BUSINESS TECH0 citations48

OOKUBO KIMIHIKO

1 patent

US8269018B2Sep 18, 2012

Pyrazolotriazole compound and electrophotographic toner

OOKUBO KIMIHIKO0 citations43

KONICA CORP

1 patent

US7202018B2Apr 10, 2007

Silver salt photothermographic dry imaging material

KONICA CORP0 citations40