Cleaning blade, method of manufacturing the same, process cartridge, and image forming apparatus
US-12429809-B2 · Sep 30, 2025 · US
Watanabe Makoto holds 17 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 17 |
| Recent patents | 2 |
| First publication | Jan 8, 2015 |
| Latest publication | Sep 30, 2025 |
Year-over-year patent counts for this assignee.
Latest publications where this party is an assignee.
US-12429809-B2 · Sep 30, 2025 · US
US-2024369960-A1 · Nov 7, 2024 · US
US-10020103-B2 · Jul 10, 2018 · US
US-2017131438-A1 · May 11, 2017 · US
US-9638923-B2 · May 2, 2017 · US
Representative or frequently cited publications from precomputed assignee stats.
US-12429809-B2 · Sep 30, 2025 · US
US-2024369960-A1 · Nov 7, 2024 · US
US-10020103-B2 · Jul 10, 2018 · US
US-2017131438-A1 · May 11, 2017 · US
US-9638923-B2 · May 2, 2017 · US
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| C22C38/60 | 5 |
| C22C38/04 | 5 |
| C22C38/001 | 4 |
| C22C38/02 | 4 |
| C21D8/1283 | 4 |
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 10 |
| Electricity | 8 |
| Physics | 6 |
| Cross-Sectional Technologies | 3 |
| Operations & Transport | 2 |
| Fixed Constructions | 1 |
| Human Necessities | 1 |