Tatsuo Fujita
33Patents
11h-index
74Co-inventors
78Inventor score
Filing activity: May 21, 1974 → Dec 6, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4249211A | Composite image display apparatus | Electricity | 215 | Expired |
| US5477623A | Drying apparatus | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5335425A | Dry-processing apparatus for heating and drying objects to be processed | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5355789A | Refuse compression apparatus | Emerging Cross-Sectional Technologies | 22 | Expired |
| US3971606A | Water lubricated bearing device | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5634600A | Refuse processing machine | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4769992A | Reciprocation apparatus with sealing mechanism | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4938810A | Heat-resistant, wear-resistant, and high-strength aluminum alloy powder and body shaped therefrom | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4621677A | Heat exchanger for internal combustion engine exhaust, with noise suppressor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US10256489B2 | Hydrogen generating apparatus and fuel cell system | Emerging Cross-Sectional Technologies | 12 | Active |
| US6386862B1 | Catalytic combustion apparatus | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6431856B1 | Catalytic combustion apparatus | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4909728A | Combustion apparatus | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5551170A | Refuse treating apparatus | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6224370A | Combustion apparatus | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5740725A | Waste plastics compacting apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5901700A | Combustion apparatus | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6632085B1 | Catalyst combustion device and fuel vaporizing device | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4742679A | Stirling engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5482685A | Deodorizing apparatus | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5139414A | Burner having primary and secondary combustion chambers | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4870821A | Reciprocation apparatus with sealing mechanism | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5193734A | Jet solder bath | Performing Operations; Transporting | 4 | Expired |
| US7223715B2 | Purification catalyst, preparation process therefor and gas-purifying apparatus | Performing Operations; Transporting | 4 | Expired |
| US6676406B2 | Fuel evaporation apparatus and catalytic combustion apparatus | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.