Inventor · disambiguated record
Junya Sumida
Also filed as: SUMIDA JUNYA
9 granted patents·1 pending application·4 citations·filing 2016–2024
76Inventor score
Technology areasG03G
Files withBROTHER IND LTD10
Top patents by PatentIndex Score
10 records- 0195US11762312B2Developing cartridge including movable plate for moving holder holding electrical contact surfaceBROTHER IND LTD·Filed 2022·Granted Sep 19, 2023·3 cites·19 claims
- 0291US12210300B2Developing cartridge including movable plate for moving holder holding electrical contact surfaceBROTHER IND LTD·Filed 2023·Granted Jan 28, 2025·1 cites·20 claims
- 0381US2025116953A1Developing cartridge including movable plate for moving holder holding electrical contact surfaceBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 0464US12259675B2Process cartridge including developing cartridge having developing holder, and drum cartridge having elastic member that can be connected to developing holderBROTHER IND LTD·Filed 2023·Granted Mar 25, 2025·0 cites·15 claims
- 0561US12282290B2Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each otherBROTHER IND LTD·Filed 2023·Granted Apr 22, 2025·0 cites·13 claims
- 0646US12339616B2Image forming apparatus including detachable process cartridge having handle on developing unitBROTHER IND LTD·Filed 2023·Granted Jun 24, 2025·0 cites·27 claims
- 0742US11231659B2Image forming apparatus which switches from color to monochrome mode with charging and developing bias reductionBROTHER IND LTD·Filed 2021·Granted Jan 25, 2022·0 cites·20 claims
- 0841US11378895B2Image forming apparatus with developing roller separation processingBROTHER IND LTD·Filed 2021·Granted Jul 5, 2022·0 cites·7 claims
- 0936US9625870B2Image forming apparatus having photosensitive members and blades in contact with respective photosensitive membersBROTHER IND LTD·Filed 2016·Granted Apr 18, 2017·0 cites·16 claims
- 1033USD1095670SPhotosensitive drum unitBROTHER IND LTD·Filed 2023·Granted Sep 30, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →