Developer accommodating device with screw including screw blade as rotator, developing device, process cartridge, and image forming apparatus
US-11835887-B2 · Dec 5, 2023 · US
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Kubota Tomohiro patents
Kubota Tomohiro holds 20 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 20 |
| Recent patents | 1 |
| First publication | Feb 24, 2015 |
| Latest publication | Dec 5, 2023 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Image forming apparatus
US-2021080856-A1 · Mar 18, 2021 · US
Developing device, process cartridge, and image forming apparatus
US-10496013-B2 · Dec 3, 2019 · US
Developer container, developing device, process unit, and image forming apparatus
US-10295933-B2 · May 21, 2019 · US
Developer container including a convex portion, a rotator, and a recess
US-10175607-B2 · Jan 8, 2019 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Developer accommodating device with screw including screw blade as rotator, developing device, process cartridge, and image forming apparatus
US-11835887-B2 · Dec 5, 2023 · US
Image forming apparatus
US-2021080856-A1 · Mar 18, 2021 · US
Developing device, process cartridge, and image forming apparatus
US-10496013-B2 · Dec 3, 2019 · US
Developer container, developing device, process unit, and image forming apparatus
US-10295933-B2 · May 21, 2019 · US
Developer container including a convex portion, a rotator, and a recess
US-10175607-B2 · Jan 8, 2019 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G03G15/0891 | 8 |
| G03G15/0865 | 7 |
| G03G15/0889 | 6 |
| G03G15/0886 | 6 |
| G03G21/18 | 6 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 18 |