Masahisa Watanabe
47Patents
4h-index
58Co-inventors
66Inventor score
Filing activity: Oct 4, 2004 → Nov 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8722510B2 | Trench-filling method and film-forming system | Electricity | 466 | Active |
| US7300596B2 | Method of manufacturing liquid discharge head | Performing Operations; Transporting | 26 | Active |
| US8122850B2 | Method and apparatus for processing polysilazane film | Electricity | 7 | Active |
| US8685832B2 | Trench filling method and method of manufacturing semiconductor integrated circuit device | Electricity | 6 | Active |
| US8455369B2 | Trench embedding method | Electricity | 4 | Active |
| US7891784B2 | Liquid ejection head and method for manufacturing liquid ejection head | Emerging Cross-Sectional Technologies | 4 | Active |
| US8128204B2 | Liquid ejection head and method for manufacturing liquid ejection head | Emerging Cross-Sectional Technologies | 3 | Active |
| US9789690B2 | Method for manufacturing liquid ejection head | Performing Operations; Transporting | 3 | Active |
| US9873255B2 | Liquid ejection head and method of manufacturing the same | Performing Operations; Transporting | 3 | Active |
| US9919526B2 | Method for manufacturing liquid discharge head | Emerging Cross-Sectional Technologies | 3 | Active |
| US9852907B2 | Mask structure forming method and film forming apparatus | Electricity | 2 | Active |
| US7879397B2 | Method for processing polysilazane film | Electricity | 2 | Active |
| US9809027B2 | Method of manufacturing structure and method of manufacturing liquid ejection head | Performing Operations; Transporting | 1 | Active |
| US9139003B2 | Method for producing liquid-ejection head | Emerging Cross-Sectional Technologies | 1 | Active |
| US10894409B2 | Method of manufacturing a liquid ejection head | Performing Operations; Transporting | 1 | Active |
| US9388495B2 | Method of forming mask structure | Electricity | 1 | Active |
| US11472188B2 | Liquid storage container and method for manufacturing the same | Performing Operations; Transporting | 1 | Active |
| US8007074B2 | Liquid discharge recording head | Performing Operations; Transporting | 1 | Active |
| US11833830B2 | Liquid storage container and method for manufacturing the same | Performing Operations; Transporting | 1 | Active |
| US8241540B2 | Method of manufacturing liquid discharge head | Performing Operations; Transporting | 1 | Active |
| US9152431B2 | Computer and computer control method | Physics | 1 | Active |
| US8187898B2 | Method for manufacturing liquid discharge head | Performing Operations; Transporting | 1 | Active |
| US7563481B2 | Method and apparatus for processing polysilazane film | Electricity | 1 | Active |
| US8286350B2 | Method of manufacturing a liquid discharge head | Emerging Cross-Sectional Technologies | 0 | Active |
| US10343406B2 | Liquid ejection head manufacturing method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.