Inventor · disambiguated record
Hotaru Hashikawa
Also filed as: HASHIKAWA HOTARU
5 granted patents·2 pending applications·0 citations·filing 2020–2025
58Inventor score
Top patents by PatentIndex Score
7 records- 0167US2025370374A1Developing device, process cartridge, and image forming apparatusHASHIKAWA HOTARU·Filed 2025·Application pending·0 cites
- 0255US11256194B2Developing device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2020·Granted Feb 22, 2022·0 cites·15 claims
- 0350US11880160B2Filter holding device, developing device, process cartridge, image forming apparatus, and filterHASHIKAWA HOTARU·Filed 2021·Granted Jan 23, 2024·0 cites·17 claims
- 0450US11275325B2Image forming apparatus including a process cartridge that includes a developing deviceRICOH CO LTD·Filed 2020·Granted Mar 15, 2022·0 cites·18 claims
- 0548US12050414B2Developing device including filter detachable holder, process cartridge, and image forming apparatusCHIBA YUSUKE·Filed 2022·Granted Jul 30, 2024·0 cites·11 claims
- 0647US12508527B2Filter holding device, developing device, process cartridge, and image forming apparatusHOSHI SHOHTAROH·Filed 2022·Granted Dec 30, 2025·0 cites·13 claims
- 0732US2022121138A1Filter, filter holding device, developing device, process cartridge, and image forming apparatusYAMADA TATSUMI·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →