Process cartridge and image forming apparatus
US-12585223-B2 · Mar 24, 2026 · US
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Maeshima Hideki patents
Maeshima Hideki is listed as an inventor on 71 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Maeshima Hideki |
| Total patents | 71 |
| First publication | Jun 2, 2015 |
| Latest publication | Mar 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Process cartridge and image forming apparatus
US-12292711-B2 · May 6, 2025 · US
Process cartridge and image forming apparatus
US-12174582-B2 · Dec 24, 2024 · US
Process cartridge and image forming apparatus
US-2024369967-A1 · Nov 7, 2024 · US
Process cartridge and image forming apparatus
US-2024369968-A1 · Nov 7, 2024 · US
Process cartridge and image forming apparatus
US-12130581-B2 · Oct 29, 2024 · US
Process cartridge and image forming apparatus
US-2024210875-A1 · Jun 27, 2024 · US
Process cartridge and image forming apparatus
US-2023273570-A1 · Aug 31, 2023 · US
Process cartridge and image forming apparatus
US-11687029-B2 · Jun 27, 2023 · US
Process cartridge and image forming apparatus
US-11392079-B2 · Jul 19, 2022 · US
Recent patents
Latest publications not already listed above.
Process cartridge and image forming apparatus
US-11320782-B2 · May 3, 2022 · US
Process cartridge and image forming apparatus
US-11314201-B2 · Apr 26, 2022 · US
Process cartridge and image forming apparatus
US-2022066386-A1 · Mar 3, 2022 · US
Process cartridge with a coupling member having a movable force receiving portion
US-11073787-B2 · Jul 27, 2021 · US
Process cartridge and image forming apparatus
US-2021109478-A1 · Apr 15, 2021 · US
Process cartridge and image forming apparatus
US-2021011428-A1 · Jan 14, 2021 · US
Process cartridge and image forming apparatus
US-2021011429-A1 · Jan 14, 2021 · US
Process cartridge and image forming apparatus
US-10838356-B2 · Nov 17, 2020 · US
Process cartridge and image forming apparatus
US-2020301354-A1 · Sep 24, 2020 · US
Process cartridge having a positioning portion capable of positioning a driving force receiving portion of a coupling member
US-10712707-B2 · Jul 14, 2020 · US
Process cartridge having a coupling member and a coupling member supporting portion
US-10698361-B2 · Jun 30, 2020 · US
Process cartridge and image forming apparatus
US-10691063-B2 · Jun 23, 2020 · US
Developing apparatus and image forming apparatus
US-10670986-B2 · Jun 2, 2020 · US
Process cartridge and image forming apparatus
US-2020096937-A1 · Mar 26, 2020 · US
Developing apparatus and process cartridge
US-10372062-B2 · Aug 6, 2019 · US
Process cartridge and image forming apparatus
US-2019121285-A1 · Apr 25, 2019 · US
Developing apparatus and process cartridge
US-2019101849-A1 · Apr 4, 2019 · US
Developing apparatus and image forming apparatus
US-2019101846-A1 · Apr 4, 2019 · US
Gear unit, developing device, and manufacturing method therefor
US-10101688-B2 · Oct 16, 2018 · US
Process cartridge and image forming apparatus
US-2018239302-A1 · Aug 23, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Canon Kk | 71 |
| Yamamoto Shinya | 1 |
| Watanabe Taku | 1 |
| Toriyama Yasunori | 1 |
| Maeshima Hideki | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G03G21/1825 | 39 |
| G03G21/1857 | 38 |
| G03G21/186 | 36 |
| G03G21/1803 | 34 |
| G03G15/0808 | 28 |