Inventor · disambiguated record
Masao Ichiyanagi
Also filed as: ICHIYANAGI MASAO
13 granted patents·4 pending applications·97 citations·filing 1994–2025
89Inventor score
Top patents by PatentIndex Score
17 records- 0191US11714379B2Image forming apparatusBROTHER IND LTD·Filed 2022·Granted Aug 1, 2023·1 cites·15 claims
- 0285US12271145B2Image forming apparatusBROTHER IND LTD·Filed 2024·Granted Apr 8, 2025·0 cites·15 claims
- 0383US10474090B2Image forming apparatusBROTHER IND LTD·Filed 2017·Granted Nov 12, 2019·2 cites·7 claims
- 0483US8898910B2CutterICHIYANAGI MASAO·Filed 2011·Granted Dec 2, 2014·17 cites·14 claims
- 0583US2025341803A1Image forming apparatusBROTHER IND LTD·Filed 2025·Application pending·0 cites
- 0682US11994825B2Image forming apparatusBROTHER IND LTD·Filed 2023·Granted May 28, 2024·0 cites·15 claims
- 0782US11150600B2Image forming apparatusBROTHER IND LTD·Filed 2020·Granted Oct 19, 2021·1 cites·13 claims
- 0875US11448999B2Image forming apparatusBROTHER IND LTD·Filed 2021·Granted Sep 20, 2022·0 cites·21 claims
- 0975US5493778ARazor unitFEATHER SAFETY RAZOR CO LTD·Filed 1994·Granted Feb 27, 1996·51 cites·7 claims
- 1053US10871604B2Display device and image forming apparatusBROTHER IND LTD·Filed 2020·Granted Dec 22, 2020·0 cites·9 claims
- 1150US11320778B2Image forming apparatus having cover with maneuver lever for actuating locking membersBROTHER IND LTD·Filed 2021·Granted May 3, 2022·0 cites·18 claims
- 1246US2010043612A1Replaceable blade for microtome and curl prevention plateFEATHER SAFETY RAZOR CO LTD·Filed 2007·Application pending·0 cites
- 1345USD379675SSafety razor cartridgeFEATHER SAFETY RAZOR CO LTD·Filed 1994·Granted Jun 3, 1997·5 cites·1 claims
- 1445US5560105AReplaceable blade cartridge for razorFEATHER SAFETY RAZOR CO LTD·Filed 1995·Granted Oct 1, 1996·20 cites·21 claims
- 1545US2014059863A1CutterICHIYANAGI MASAO·Filed 2011·Application pending·0 cites
- 1644US9989916B2Image forming apparatus having coupling structure between cartridge and driver unitBROTHER IND LTD·Filed 2016·Granted Jun 5, 2018·0 cites·12 claims
- 1740US2013241134A1Sheet feeding device capable of skew correction and image forming apparatus including the sameNAGASHIMA TERUO·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →