Inventor · disambiguated record
Keisuke Katoh
Also filed as: KATOH KEISUKE · YOKOYAMA SHIYOICHIRO
6 granted patents·187 citations·filing 1977–2007
85Inventor score
Top patents by PatentIndex Score
6 records- 0198US7577379B2Toner container, toner supply device and image forming apparatusRICOH KK·Filed 2007·Granted Aug 18, 2009·42 cites·9 claims
- 0298US7184691B2Toner container, toner supply device and image forming apparatusRICOH KK·Filed 2005·Granted Feb 27, 2007·81 cites·27 claims
- 0396US7389071B2Apparatuses for image forming capable of effectively conveying developer therefrom and a method of effectively forming a reinforcing member adhering to the apparatusesRICOH KK·Filed 2005·Granted Jun 17, 2008·32 cites·57 claims
- 0491US8033447B2Container storage box for deformable container containing fine particles for image formationRICOH CO LTD·Filed 2005·Granted Oct 11, 2011·25 cites·19 claims
- 0538US4163715AMethod for treatment of waste waterAGENCY IND SCIENCE TECHN·Filed 1977·Granted Aug 7, 1979·7 cites·6 claims
- 0622US4362571AMethod for refining sugar solutionsAGENCY IND SCIENCE TECHN·Filed 1981·Granted Dec 7, 1982·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →