Image forming apparatus and heating method
US-12591192-B2 · Mar 31, 2026 · US
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Doi Yohei patents
Doi Yohei is listed as an inventor on 57 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Doi Yohei |
| Total patents | 57 |
| First publication | Feb 9, 2017 |
| Latest publication | Mar 31, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Polymer, preform, biaxially stretched molded article, resin pellet, and method of producing biaxially stretched molded article
US-2026085185-A1 · Mar 26, 2026 · US
Heating device with a heat conductor including portions having different thicknesses
US-12498658-B2 · Dec 16, 2025 · US
Image forming apparatus
US-2025355386-A1 · Nov 20, 2025 · US
Image forming apparatus
US-12393142-B2 · Aug 19, 2025 · US
Cylindrical body and apparatus
US-12172845-B2 · Dec 24, 2024 · US
Method of producing stretch-blow-molded article, resin composition, method of producing the resin composition, pellets and method of producing the pellets
US-2024351265-A1 · Oct 24, 2024 · US
Stretch blow-molded article, toner bottle, and method for manufacturing stretch blow-molded article, molded article, and pellet
US-2024352221-A1 · Oct 24, 2024 · US
Stretch blow-molded article, toner bottle, and method for manufacturing stretch blow-molded article, molded article, and pellet
US-2024351732-A1 · Oct 24, 2024 · US
Image forming apparatus having a fixing unit and heating control method
US-12124195-B2 · Oct 22, 2024 · US
Recent patents
Latest publications not already listed above.
Image forming apparatus and image fixing method
US-12124196-B2 · Oct 22, 2024 · US
Heating device with a heat conductor including portions having different thicknesses
US-2024329578-A1 · Oct 3, 2024 · US
Stretch blow-molded article and method for producing stretch blow-molded article
US-2024300161-A1 · Sep 12, 2024 · US
Method of producing blow-molded product, resin composition, and pellets
US-2024300160-A1 · Sep 12, 2024 · US
Heating device with a heat conductor including portions having different thicknesses
US-12055878-B2 · Aug 6, 2024 · US
Image forming apparatus
US-2024184233-A1 · Jun 6, 2024 · US
Image forming apparatus and heating method
US-2024103414-A1 · Mar 28, 2024 · US
Image forming apparatus
US-11927901-B2 · Mar 12, 2024 · US
Image forming apparatus and image fixing method
US-2024045358-A1 · Feb 8, 2024 · US
Image forming apparatus and heating method
US-11868067-B2 · Jan 9, 2024 · US
Image forming apparatus having a fixing unit and heating control method
US-2023393501-A1 · Dec 7, 2023 · US
Image forming apparatus and image fixing method
US-11809108-B2 · Nov 7, 2023 · US
Image forming apparatus having a fixing unit and heating control method
US-11774887-B2 · Oct 3, 2023 · US
Heating device with a heat conductor including portions having different thicknesses
US-2023259058-A1 · Aug 17, 2023 · US
Heating device with a heat conductor including portions having different thicknesses
US-11669033-B2 · Jun 6, 2023 · US
Cylindrical body and apparatus
US-2023097168-A1 · Mar 30, 2023 · US
Image forming apparatus
US-2022299916-A1 · Sep 22, 2022 · US
Fixing device and image forming apparatus
US-11415926-B1 · Aug 16, 2022 · US
Fixing device and image forming apparatus
US-2022244674-A1 · Aug 4, 2022 · US
Image forming apparatus
US-11385579-B2 · Jul 12, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toshiba Tec Kk | 46 |
| Canon Kk | 11 |
| Toshiba Kk | 5 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G03G15/2039 | 42 |
| G03G15/2053 | 28 |
| G03G15/5004 | 19 |
| G03G15/2017 | 18 |
| G03G15/55 | 16 |