Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-12596311-B2 · Apr 7, 2026 · US
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Fujii Ryosuke patents
Fujii Ryosuke is listed as an inventor on 75 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Fujii Ryosuke |
| Total patents | 75 |
| First publication | Mar 5, 2015 |
| Latest publication | Apr 7, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Liquid ejection apparatus
US-2026070337-A1 · Mar 12, 2026 · US
Thermoplastic resin composition, molded product, metal foil laminated board, bonding sheet, filament, and material for three-dimensional fabrication
US-2026015501-A1 · Jan 15, 2026 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2025264818-A1 · Aug 21, 2025 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2025264819-A1 · Aug 21, 2025 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2025244688-A1 · Jul 31, 2025 · US
Energy storage apparatus
US-2025183462-A1 · Jun 5, 2025 · US
Assembly
US-2025038498-A1 · Jan 30, 2025 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024419091-A1 · Dec 19, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024411237-A1 · Dec 12, 2024 · US
Recent patents
Latest publications not already listed above.
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024411236-A1 · Dec 12, 2024 · US
Vehicular antenna device
US-2024388012-A1 · Nov 21, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-12117741-B1 · Oct 15, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024329558-A1 · Oct 3, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024288788-A1 · Aug 29, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024248419-A1 · Jul 25, 2024 · US
Sheet transport roller rubber composition and sheet transport roller
US-11958707-B2 · Apr 16, 2024 · US
Composition for external application
US-2024115528-A1 · Apr 11, 2024 · US
Image forming apparatus and process cartridge
US-2024085818-A1 · Mar 14, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024077809-A1 · Mar 7, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024053689-A1 · Feb 15, 2024 · US
Image forming apparatus and process cartridge
US-11892780-B1 · Feb 6, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024036487-A1 · Feb 1, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2024036488-A1 · Feb 1, 2024 · US
Sheet transport roller rubber composition and sheet transport roller
US-11884803-B2 · Jan 30, 2024 · US
Sheet conveyance roller rubber composition and sheet conveyance roller
US-2024002648-A1 · Jan 4, 2024 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2023288824-A1 · Sep 14, 2023 · US
Patch antenna
US-2023291107-A1 · Sep 14, 2023 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2023288847-A1 · Sep 14, 2023 · US
Electrophotographic photoreceptor, process cartridge, and image forming apparatus
US-2023280668-A1 · Sep 7, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Fujifilm Business Innovation Corp | 30 |
| Kao Corp | 12 |
| Fuji Xerox Co Ltd | 12 |
| Sumitomo Rubber Ind | 5 |
| Konica Minolta Inc | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G03G5/056 | 28 |
| G03G5/047 | 20 |
| G03G15/75 | 20 |
| G03G5/0564 | 17 |
| G03G5/0539 | 14 |