Inventor · disambiguated record
Koyo Yamamoto
Also filed as: YAMAMOTO KOYO
16 granted patents·11 citations·filing 2010–2021
86Inventor score
Top patents by PatentIndex Score
16 records- 0180US9637330B2Image forming apparatusBROTHER IND LTD·Filed 2016·Granted May 2, 2017·2 cites·14 claims
- 0278US10824097B2Drum cartridge and image forming apparatusBROTHER IND LTD·Filed 2019·Granted Nov 3, 2020·1 cites·20 claims
- 0376US8506191B2Image forming apparatusYAMAMOTO KOYO·Filed 2010·Granted Aug 13, 2013·4 cites·8 claims
- 0472US8837121B2Hinge mechanism and image forming apparatusYAMAMOTO KOYO·Filed 2011·Granted Sep 16, 2014·2 cites·9 claims
- 0559US10768548B2Image forming apparatusBROTHER IND LTD·Filed 2019·Granted Sep 8, 2020·0 cites·13 claims
- 0657US8833752B2Sheet feeding deviceTSUTSUI KYOKO·Filed 2013·Granted Sep 16, 2014·2 cites·19 claims
- 0750US11550253B2Image forming apparatus including first drive transmission part and second drive transmission part configured to transmit driving force from motorBROTHER IND LTD·Filed 2021·Granted Jan 10, 2023·0 cites·9 claims
- 0849US11325800B2Image forming apparatusBROTHER IND LTD·Filed 2019·Granted May 10, 2022·0 cites·15 claims
- 0946US9429896B2Cover movement mechanism, and image forming apparatus provided with the cover movement mechanismBROTHER IND LTD·Filed 2015·Granted Aug 30, 2016·0 cites·13 claims
- 1044US9864325B2Image forming apparatus having cover openable and closable at side surface of apparatusBROTHER IND LTD·Filed 2017·Granted Jan 9, 2018·0 cites·8 claims
- 1144US8447206B2Image forming apparatus having guide body including chamber where gas mixture is formed and fan for discharging gas mixtureYAMAMOTO KOYO·Filed 2010·Granted May 21, 2013·0 cites·16 claims
- 1240US9223280B2Image forming apparatusHIRATA HIRONORI·Filed 2013·Granted Dec 29, 2015·0 cites·20 claims
- 1339US9535392B2Image forming apparatus having casing and retaining mechanism configured to retain cover at position exposing casingBROTHER IND LTD·Filed 2015·Granted Jan 3, 2017·0 cites·12 claims
- 1439US9429893B2Movable tray cover configuration for an image forming apparatusYAMAMOTO KOYO·Filed 2013·Granted Aug 30, 2016·0 cites·12 claims
- 1538US9052689B2Image forming apparatusSAEKI MASAHITO·Filed 2013·Granted Jun 9, 2015·0 cites·20 claims
- 1634US9182716B2Image forming apparatusYAMAMOTO KOYO·Filed 2011·Granted Nov 10, 2015·0 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →