Masaaki Ando
57Patents
9h-index
56Co-inventors
81Inventor score
Filing activity: Jun 12, 1985 → Feb 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6454942B1 | Liquid separation membrane module | Performing Operations; Transporting | 37 | Expired |
| US6171497A | Highly permeable composite reverse osmosis membrane | Performing Operations; Transporting | 26 | Expired |
| US9216587B2 | Liquid ejecting apparatus | Performing Operations; Transporting | 25 | Active |
| US5012105A | Multiple-imaging charged particle-beam exposure system | Electricity | 23 | Expired |
| US6733675B2 | Spiral wound membrane element, spiral wound membrane module and treatment system employing the same as well as running method and washing method therefor | Performing Operations; Transporting | 11 | Expired |
| US4807296A | Automatic pattern original reading apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5544669A | System for washing a tank and recovering and treating residual tank liquid | Performing Operations; Transporting | 10 | Expired |
| US5421903A | Method for washing a tank and for recovering and treating residual tank liquid | Performing Operations; Transporting | 10 | Expired |
| US5044382A | Wig | Human Necessities | 10 | Expired |
| US10029483B2 | Ink jet recording method, ultraviolet-ray curable ink, and ink jet recording apparatus | Performing Operations; Transporting | 8 | Active |
| US9884487B2 | Ink jet recording method, ultraviolet-ray curable ink, and ink jet recording apparatus | Performing Operations; Transporting | 8 | Active |
| US10298093B2 | Tubular motor, control method for brushless motor, and motor equipped with brake | Electricity | 6 | Active |
| US5565683A | Heat source detector | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6199020A | External force measuring apparatus | Physics | 5 | Expired |
| US9500856B2 | Optical device | Physics | 5 | Active |
| US9393803B2 | Recording apparatus | Performing Operations; Transporting | 5 | Active |
| US10875309B2 | Liquid ejecting apparatus and maintenance method for liquid ejecting apparatus | Performing Operations; Transporting | 4 | Active |
| US6878294B2 | Running method and treatment system for spiral wound membrane element and spiral wound membrane module | Chemistry; Metallurgy | 3 | Expired |
| US10625519B2 | Ink jet recording method, ultraviolet-ray curable ink, and ink jet recording apparatus | Performing Operations; Transporting | 2 | Active |
| US8979254B2 | Liquid circulation device and liquid ejection apparatus | Performing Operations; Transporting | 2 | Active |
| US9844948B2 | Printing apparatus with ink circulation flow path | Performing Operations; Transporting | 2 | Active |
| US9885207B2 | Automatic open-close device for fittings | Fixed Constructions | 2 | Active |
| US7195477B2 | Sheet material pressing machines | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8596775B2 | Filter unit, liquid ejecting apparatus, and bubble removal method | Performing Operations; Transporting | 2 | Active |
| US9272526B2 | Liquid ejecting apparatus and method for pressurizing and depressurizing | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.