Exposure device and image forming apparatus
US-2025362643-A1 · Nov 27, 2025 · US
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Ishidate Takehiro patents
Ishidate Takehiro is listed as an inventor on 152 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ishidate Takehiro |
| Total patents | 152 |
| First publication | Jan 1, 2015 |
| Latest publication | Nov 27, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor
US-2025348018-A1 · Nov 13, 2025 · US
Image forming apparatus that cools an exposure device
US-2025348019-A1 · Nov 13, 2025 · US
Exposure device and image forming apparatus
US-2025341794-A1 · Nov 6, 2025 · US
Exposure head
US-2025341795-A1 · Nov 6, 2025 · US
Exposure head and image forming apparatus
US-2025334900-A1 · Oct 30, 2025 · US
Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor
US-12399446-B2 · Aug 26, 2025 · US
Image forming apparatus
US-12399459-B2 · Aug 26, 2025 · US
Image forming apparatus that cools an exposure device
US-12393136-B2 · Aug 19, 2025 · US
Image forming apparatus including exposure unit and exposure cooling unit
US-12386308-B2 · Aug 12, 2025 · US
Recent patents
Latest publications not already listed above.
Image forming apparatus
US-2025244715-A1 · Jul 31, 2025 · US
Image forming apparatus
US-2025181006-A1 · Jun 5, 2025 · US
Image forming apparatus with cooling configuration
US-12298708-B2 · May 13, 2025 · US
Image forming apparatus
US-12271149-B2 · Apr 8, 2025 · US
Image forming apparatus
US-12253810-B2 · Mar 18, 2025 · US
Image forming apparatus including retractable exposure portion
US-2025060688-A1 · Feb 20, 2025 · US
Image forming apparatus including retractable exposure portion
US-12164240-B2 · Dec 10, 2024 · US
Cleaning rod for optical print head included in image forming apparatus
US-12164257-B2 · Dec 10, 2024 · US
Image forming apparatus that cools an exposure device
US-2024353773-A1 · Oct 24, 2024 · US
Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor
US-2024345502-A1 · Oct 17, 2024 · US
Image forming apparatus
US-2024319658-A1 · Sep 26, 2024 · US
Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor
US-12066766-B2 · Aug 20, 2024 · US
Image forming apparatus that cools an exposure device
US-12055869-B2 · Aug 6, 2024 · US
Image forming apparatus
US-12032327-B2 · Jul 9, 2024 · US
Image forming apparatus
US-11994826-B2 · May 28, 2024 · US
Image forming apparatus
US-2024126205-A1 · Apr 18, 2024 · US
Optical print head, image forming apparatus including the optical print head, and manufacturing method of the optical print head
US-11841632-B2 · Dec 12, 2023 · US
Optical print head and method for manufacturing optical print head
US-11827036-B2 · Nov 28, 2023 · US
Image forming apparatus
US-2023324827-A1 · Oct 12, 2023 · US
Image forming apparatus
US-2023324848-A1 · Oct 12, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Canon Kk | 152 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G03G21/1666 | 79 |
| G03G15/04036 | 71 |
| G03G15/04054 | 63 |
| G03G15/043 | 38 |
| G03G21/206 | 30 |