Sadayoshi Sakuma
24Patents
4h-index
35Co-inventors
59Inventor score
Filing activity: Sep 3, 2008 → Mar 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8177988B2 | Method for manufacturing liquid discharge head | Performing Operations; Transporting | 9 | Active |
| US10035346B2 | Element substrate and liquid ejection head | Performing Operations; Transporting | 6 | Active |
| US9333746B2 | Ink jet recording head substrate, method for manufacturing the same, and ink jet recording head | Performing Operations; Transporting | 6 | Active |
| US9308722B2 | Liquid ejection head and liquid ejection apparatus | Performing Operations; Transporting | 4 | Active |
| US10493774B2 | Element substrate, manufacturing method thereof, printhead, and printing apparatus | Performing Operations; Transporting | 4 | Active |
| US8322829B2 | Liquid discharge head substrate and manufacturing method thereof, and liquid discharge head using liquid discharge head substrate and manufacturing method thereof | Performing Operations; Transporting | 3 | Active |
| US8075107B2 | Liquid ejection head | Performing Operations; Transporting | 3 | Active |
| US9114612B2 | Liquid ejecting head, substrate for liquid ejecting head, and printing apparatus | Performing Operations; Transporting | 3 | Active |
| US8291576B2 | Method of manufacturing liquid ejection head | Emerging Cross-Sectional Technologies | 2 | Active |
| US8152279B2 | Liquid ejection head having substrate with nickel-containing layer | Performing Operations; Transporting | 2 | Active |
| US9266331B2 | Manufacturing method of substrate for liquid ejection head | Emerging Cross-Sectional Technologies | 2 | Active |
| US11383515B2 | Element substrate, liquid discharge head, and printing apparatus | Performing Operations; Transporting | 1 | Active |
| US10882314B2 | Liquid ejection head, method for producing liquid ejection head, and liquid ejection apparatus | Performing Operations; Transporting | 1 | Active |
| US8312628B2 | Liquid discharge head and method for manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8691101B2 | Method for manufacturing ejection element substrate | Performing Operations; Transporting | 1 | Active |
| US9427953B2 | Method of manufacturing liquid ejection head | Performing Operations; Transporting | 0 | Active |
| US11338581B2 | Element substrate, liquid discharge head, and printing apparatus | Performing Operations; Transporting | 0 | Active |
| US10814623B2 | Element substrate and liquid ejection head | Performing Operations; Transporting | 0 | Active |
| US9090112B2 | Liquid discharge device and cleaning method for liquid discharge head | Performing Operations; Transporting | 0 | Active |
| US10766255B2 | Element substrate | Performing Operations; Transporting | 0 | Active |
| US12374414B2 | Semiconductor device, liquid discharge head, and liquid discharge apparatus | Electricity | 0 | Active |
| US9816195B2 | Reproduction method of liquid ejecting head | Performing Operations; Transporting | 0 | Active |
| US9216575B2 | Recording-element substrate and liquid ejection apparatus | Performing Operations; Transporting | 0 | Active |
| US9381741B2 | Inkjet printhead substrate, method of manufacturing the same, and inkjet printhead | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.