Heating device, fixing device, drier, laminate processing apparatus, and image forming apparatus
US-12585214-B2 · Mar 24, 2026 · US
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Fujiwara Hitoshi patents
Fujiwara Hitoshi holds 57 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 57 |
| Recent patents | 22 |
| First publication | Apr 14, 2015 |
| Latest publication | Mar 24, 2026 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Pressure switching mechanism and image forming apparatus
US-12572098-B2 · Mar 10, 2026 · US
Pressure switching device, image forming apparatus, and pressure switching method
US-12554217-B2 · Feb 17, 2026 · US
Heating device, frame device, and image forming apparatus
US-12498659-B2 · Dec 16, 2025 · US
Fixing device and image forming apparatus
US-12498656-B2 · Dec 16, 2025 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Heating device, fixing device, drier, laminate processing apparatus, and image forming apparatus
US-12585214-B2 · Mar 24, 2026 · US
Pressure switching mechanism and image forming apparatus
US-12572098-B2 · Mar 10, 2026 · US
Pressure switching device, image forming apparatus, and pressure switching method
US-12554217-B2 · Feb 17, 2026 · US
Heating device, frame device, and image forming apparatus
US-12498659-B2 · Dec 16, 2025 · US
Fixing device and image forming apparatus
US-12498656-B2 · Dec 16, 2025 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G03G15/2053 | 42 |
| G03G15/2064 | 35 |
| G03G2215/2035 | 33 |
| G03G15/2017 | 15 |
| G03G15/2039 | 13 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 55 |
| Mechanical Engineering | 2 |
| Operations & Transport | 1 |
| Cross-Sectional Technologies | 1 |