Masayoshi Katayama
15Patents
5h-index
25Co-inventors
66Inventor score
Filing activity: Apr 29, 1983 → Apr 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4648281A | Turbine flowmeter | Physics | 42 | Expired |
| US6461507B1 | Continuous squeeze-dewatering device | Performing Operations; Transporting | 25 | Expired |
| US7850263B2 | Liquid consumption apparatus and liquid consumption amount control method | Performing Operations; Transporting | 7 | Active |
| US7625077B2 | Liquid cartridge, liquid ejection apparatus and liquid ejection control method | Performing Operations; Transporting | 6 | Active |
| US4434668A | Detector for use in measurement of flow speed or flow rate of a fluid | Physics | 5 | Expired |
| US10974982B2 | Recovery device and recovery method for recovering specific material from sludge | Emerging Cross-Sectional Technologies | 5 | Active |
| US8881648B2 | Concentrator-integrated screw press | Chemistry; Metallurgy | 3 | Active |
| US9975798B2 | Sludge dehydration system and sludge dehydration method | Emerging Cross-Sectional Technologies | 3 | Active |
| US7906029B2 | Sludge thickening method | Chemistry; Metallurgy | 3 | Active |
| US9843692B2 | Image reading apparatus which reads image on sheet conveyed through sheet conveyance path and image forming apparatus including the same | Electricity | 3 | Active |
| US7828961B2 | Sludge thickening device | Chemistry; Metallurgy | 2 | Expired |
| US9219839B2 | Image forming apparatus | Electricity | 1 | Active |
| US11401188B2 | Sludge dehydration system and sludge dehydration method | Emerging Cross-Sectional Technologies | 1 | Active |
| US10939011B2 | Image reading apparatus provided with guide rail to guide image reading unit to read document and fix the guide rail with an adhesive | Electricity | 1 | Active |
| US10432812B2 | Image reading device, document feeder device, and image forming apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.