Filter holding device, developing device, process cartridge, and image forming apparatus
US-12533617-B2 · Jan 27, 2026 · US
Fujiwara Yoshihiro holds 16 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 16 |
| Recent patents | 4 |
| First publication | Feb 10, 2015 |
| Latest publication | Jan 27, 2026 |
Year-over-year patent counts for this assignee.
Latest publications where this party is an assignee.
US-12533617-B2 · Jan 27, 2026 · US
US-12222664-B2 · Feb 11, 2025 · US
US-11835887-B2 · Dec 5, 2023 · US
US-2023330582-A1 · Oct 19, 2023 · US
US-11086251-B2 · Aug 10, 2021 · US
Representative or frequently cited publications from precomputed assignee stats.
US-12533617-B2 · Jan 27, 2026 · US
US-12222664-B2 · Feb 11, 2025 · US
US-11835887-B2 · Dec 5, 2023 · US
US-2023330582-A1 · Oct 19, 2023 · US
US-11086251-B2 · Aug 10, 2021 · US
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 16 |
| Operations & Transport | 2 |
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