Inventor · disambiguated record
Kei Maruyama
Also filed as: MARUYAMA KEI · MARUYAMA KEI-ICHI
17 granted patents·3 pending applications·124 citations·filing 1997–2025
91Inventor score
Top patents by PatentIndex Score
20 records- 0191US9268287B2Sheet feed device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Feb 23, 2016·7 cites·18 claims
- 0291US6455639B1Oxirane derivative and process for the preparation thereofNOF CORP·Filed 1999·Granted Sep 24, 2002·70 cites·42 claims
- 0380US8518994B2Arginine derivative and cosmetic containing the sameWAKITA KAZUAKI·Filed 2009·Granted Aug 27, 2013·2 cites·3 claims
- 0472US5840973AProcess for producing a polyoxyalkylenecarboxylic acidNOF CORP·Filed 1997·Granted Nov 24, 1998·18 cites·11 claims
- 0568US10413559B2Method for treating demyelinating diseaseUNIV OCHANOMIZU·Filed 2014·Granted Sep 17, 2019·2 cites·6 claims
- 0667US9193654B2Cosmetic bases and cosmetics containing the sameMARUYAMA KEI-ICHI·Filed 2005·Granted Nov 24, 2015·1 cites·17 claims
- 0764US11041038B2Water repellent compositionDAIKIN IND LTD·Filed 2018·Granted Jun 22, 2021·0 cites·12 claims
- 0862US8232321B2Alkylene oxide derivative and skin external preparation containing the sameOHMORI TAKASHI·Filed 2008·Granted Jul 31, 2012·1 cites·14 claims
- 0960US11142009B2Cleaning device and ink jet recording apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Oct 12, 2021·0 cites·4 claims
- 1059US9199811B2Sheet conveying device and image forming apparatus including the sheet conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Dec 1, 2015·1 cites·7 claims
- 1159US2009197948A1Skin External PreparationSHISEIDO CO LTD·Filed 2007·Application pending·0 cites
- 1258US2010075882A1External Skin Preparation And Skin CleanserSHISEIDO CO LTD·Filed 2007·Application pending·0 cites
- 1355US2025223097A1Packing memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1452US11319177B2Sensor unit and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted May 3, 2022·0 cites·13 claims
- 1552US5872191AProcess for producing a polyoxyalkylene derivatives substituted with succinimidyl groupNOF CORP·Filed 1997·Granted Feb 16, 1999·12 cites·4 claims
- 1648US10035675B2Solenoid device and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Jul 31, 2018·0 cites·11 claims
- 1748US5767284AProcess for producing a polyoxyalkylene derivative substituted with succinimidyl groupNOF CORP·Filed 1997·Granted Jun 16, 1998·10 cites·4 claims
- 1846US7613416B2Toner container with grippable recesses and image forming apparatus having such a toner containerKYOCERA MITA CORP·Filed 2006·Granted Nov 3, 2009·0 cites·8 claims
- 1941US7684739B2Toner transport apparatus and image forming apparatusKYOCERA MITA CORP·Filed 2007·Granted Mar 23, 2010·0 cites·13 claims
- 2040US9996043B2Image forming apparatus and method for control of suction of air passed through fixing unitKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Jun 12, 2018·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →