Inventor · disambiguated record
Ryohei Iwamoto
Also filed as: IWAMOTO RYOHEI
8 granted patents·6 pending applications·22 citations·filing 1997–2013
78Inventor score
Files withKONISHIROKU PHOTO IND3DAIFUKU KOJI2KONICA MINOLTA BUSINESS TECH2OOKUBO KIMIHIKO2SUZUKI TAKAYUKI2
Top patents by PatentIndex Score
14 records- 0192US6699649B2Silver salt photothermographic imaging material, and image recording method and image forming method by the use thereofKONISHIROKU PHOTO IND·Filed 2002·Granted Mar 2, 2004·17 cites·25 claims
- 0275US6800431B2Photothermographic materialKONISHIROKU PHOTO IND·Filed 2003·Granted Oct 5, 2004·4 cites·13 claims
- 0350US7943279B2Copper complex compound and electrophotographic toner containing the sameKONICA MINOLTA BUSINESS TECH·Filed 2009·Granted May 17, 2011·0 cites·15 claims
- 0448US8729285B2Copper complex compound and electrophotographic toner containing the sameDAIFUKU KOJI·Filed 2011·Granted May 20, 2014·0 cites·5 claims
- 0548US8329368B2Electrophotographic tonerDAIFUKU KOJI·Filed 2009·Granted Dec 11, 2012·1 cites·16 claims
- 0648US8269018B2Pyrazolotriazole compound and electrophotographic tonerOOKUBO KIMIHIKO·Filed 2011·Granted Sep 18, 2012·0 cites·14 claims
- 0748US2009233207A1Pyrazolotriazole compound and electrophotographic tonerKONICA MINOLTA BUSINESS TECH·Filed 2009·Application pending·0 cites
- 0846US2010104775A1Ultraviolet absorbing polymer, cellulose ester optical film, method of producing cellulose ester optical film, polarizing plate and liquid crystal displaySUZUKI TAKAYUKI·Filed 2008·Application pending·0 cites
- 0944US2010103352A1Optical film, polarizing plate, liquid crystal display and ultraviolet absorbing polymerSUZUKI TAKAYUKI·Filed 2008·Application pending·0 cites
- 1040US7202018B2Silver salt photothermographic dry imaging materialKONICA CORP·Filed 2003·Granted Apr 10, 2007·0 cites·11 claims
- 1138US2013253213A1Method for producing cyanoacetic acid, method for producing cyanoacetic acid derivative and method for producing metal containing compoundIKEMIZU DAI·Filed 2013·Application pending·0 cites
- 1234US2012208119A1Toner for electrophotography and toner setIWAMOTO RYOHEI·Filed 2010·Application pending·0 cites
- 1326US5945268ASilver halide color photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1997·Granted Aug 31, 1999·0 cites·8 claims
- 1423US2013157191A1Toner for electrophotography and image-forming methodOOKUBO KIMIHIKO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →