Hiroto Matsuda
46Patents
21h-index
46Co-inventors
85Inventor score
Filing activity: Dec 29, 1981 → Aug 14, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4558333A | Liquid jet recording head | Performing Operations; Transporting | 1,633 | Expired |
| US4611219A | Liquid-jetting head | Performing Operations; Transporting | 213 | Expired |
| US6290334A | Recording apparatus, recording head and substrate therefor | Performing Operations; Transporting | 157 | Expired |
| US4633274A | Liquid ejection recording apparatus | Performing Operations; Transporting | 101 | Expired |
| US4450455A | Ink jet head | Performing Operations; Transporting | 88 | Expired |
| US4567493A | Liquid jet recording head | Performing Operations; Transporting | 63 | Expired |
| US4596994A | Liquid jet recording head | Performing Operations; Transporting | 57 | Expired |
| US4394670A | Ink jet head and method for fabrication thereof | Performing Operations; Transporting | 57 | Expired |
| US4437100A | Ink-jet head and method for production thereof | Performing Operations; Transporting | 48 | Expired |
| US4686544A | Liquid jet recording head | Performing Operations; Transporting | 34 | Expired |
| US4725859A | Liquid jet recording head | Performing Operations; Transporting | 31 | Expired |
| US4905017A | Laminated liquid-jetting head capable of recording in a plurality of colors, a method of producing the head and an apparatus having the head | Performing Operations; Transporting | 29 | Expired |
| US4720716A | Liquid jet recording head | Performing Operations; Transporting | 28 | Expired |
| US6474789B1 | Recording apparatus, recording head and substrate therefor | Performing Operations; Transporting | 26 | Expired |
| US7275309B2 | Method of manufacturing electrical resistance heating element | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4694306A | Liquid jet recording head with a protective layer formed by converting the surface of a transducer into an insulating material | Performing Operations; Transporting | 25 | Expired |
| US5457485A | Ink jet recording apparatus | Performing Operations; Transporting | 25 | Expired |
| US4701766A | Method of making an ink jet head involving in-situ formation of an orifice plate | Performing Operations; Transporting | 25 | Expired |
| US5132702A | Liquid jet recording apparatus and method | Performing Operations; Transporting | 24 | Expired |
| US4777494A | Process for manufacturing an electrothermal transducer for a liquid jet recording head by anodic oxidation of exposed portions of the transducer | Performing Operations; Transporting | 24 | Expired |
| US5463412A | Liquid jet recording head with multiple liquid chambers | Performing Operations; Transporting | 21 | Expired |
| US4914736A | Liquid jet recording head having multiple liquid chambers on a single substrate | Performing Operations; Transporting | 20 | Expired |
| US4752787A | Liquid jet recording head | Performing Operations; Transporting | 18 | Expired |
| US6409931B1 | Method of producing ink jet recording head and ink jet recording head | Performing Operations; Transporting | 17 | Expired |
| US4631555A | Liquid jet type recording head | Performing Operations; Transporting | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.