Fixing device
US-2025383617-A1 · Dec 18, 2025 · US
This page is not indexed by search engines while we improve data quality.
Koyama Kengo patents
Koyama Kengo is listed as an inventor on 14 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Koyama Kengo |
| Total patents | 14 |
| First publication | Dec 26, 2019 |
| Latest publication | Dec 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Fixing device and image forming apparatus
US-2025377618-A1 · Dec 11, 2025 · US
Fixing device and image forming apparatus
US-2025348030-A1 · Nov 13, 2025 · US
Fixing device and image forming apparatus
US-2025321520-A1 · Oct 16, 2025 · US
Fixing device
US-2025284232-A1 · Sep 11, 2025 · US
Fixing device and image forming apparatus with nip portion that prevents belt cracking and oil leakage
US-12393145-B2 · Aug 19, 2025 · US
Fixing device
US-2025021035-A1 · Jan 16, 2025 · US
Image forming apparatus
US-2024345516-A1 · Oct 17, 2024 · US
Fixing device
US-2024345513-A1 · Oct 17, 2024 · US
Fixing device and image forming apparatus
US-2024264557-A1 · Aug 8, 2024 · US
Recent patents
Latest publications not already listed above.
Image heating apparatus having a belt and a regulating portion to regulate movement of the belt in a sheet width direction
US-10802430-B2 · Oct 13, 2020 · US
Image forming apparatus
US-10649391-B2 · May 12, 2020 · US
Image forming apparatus
US-2020073314-A1 · Mar 5, 2020 · US
Image heating apparatus
US-2019391513-A1 · Dec 26, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Canon Kk | 14 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G03G15/2064 | 13 |
| G03G15/2053 | 10 |
| G03G15/2025 | 6 |
| G03G15/206 | 5 |
| G03G2215/2038 | 3 |