Inventor · disambiguated record
Masayoshi Katayama
Also filed as: KATAYAMA MASAYOSHI
15 granted patents·1 pending application·146 citations·filing 1983–2018
92Inventor score
Top patents by PatentIndex Score
16 records- 0190US10974982B2Recovery device and recovery method for recovering specific material from sludgeISHIGAKI MECH IND·Filed 2016·Granted Apr 13, 2021·5 cites·1 claims
- 0288US9975798B2Sludge dehydration system and sludge dehydration methodISHIGAKI MECH IND·Filed 2016·Granted May 22, 2018·4 cites·10 claims
- 0386US7850263B2Liquid consumption apparatus and liquid consumption amount control methodSEIKO EPSON CORP·Filed 2007·Granted Dec 14, 2010·8 cites·15 claims
- 0485US9843692B2Image reading apparatus which reads image on sheet conveyed through sheet conveyance path and image forming apparatus including the sameCANON KK·Filed 2016·Granted Dec 12, 2017·5 cites·17 claims
- 0585US4648281ATurbine flowmeterOSAKA GAS CO LTD·Filed 1985·Granted Mar 10, 1987·48 cites·8 claims
- 0683US7625077B2Liquid cartridge, liquid ejection apparatus and liquid ejection control methodSEIKO EPSON CORP·Filed 2006·Granted Dec 1, 2009·8 cites·5 claims
- 0780US7906029B2Sludge thickening methodISHIGAKI MECH IND·Filed 2010·Granted Mar 15, 2011·4 cites·7 claims
- 0879US11401188B2Sludge dehydration system and sludge dehydration methodISHIGAKI MECH IND·Filed 2018·Granted Aug 2, 2022·1 cites·19 claims
- 0977US8881648B2Concentrator-integrated screw pressYAMASHITA MANABU·Filed 2010·Granted Nov 11, 2014·4 cites·13 claims
- 1071US6461507B1Continuous squeeze-dewatering deviceISHIGAKI MECH IND·Filed 1999·Granted Oct 8, 2002·45 cites·42 claims
- 1170US7828961B2Sludge thickening deviceISHIGAKI MECH IND·Filed 2005·Granted Nov 9, 2010·4 cites·13 claims
- 1267US9219839B2Image forming apparatusCANON FINETECH INC·Filed 2013·Granted Dec 22, 2015·1 cites·6 claims
- 1366US10939011B2Image reading apparatus provided with guide rail to guide image reading unit to read document and fix the guide rail with an adhesiveCANON FINETECH INC·Filed 2014·Granted Mar 2, 2021·1 cites·8 claims
- 1449US10432812B2Image reading device, document feeder device, and image forming apparatusCANON KK·Filed 2017·Granted Oct 1, 2019·0 cites·14 claims
- 1542US2007285446A1Liquid consumption apparatus and liquid amount determination methodSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 1637US4434668ADetector for use in measurement of flow speed or flow rate of a fluidTOKICO LTD·Filed 1983·Granted Mar 6, 1984·8 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →