Tadashi Hattori
257Patents
33h-index
208Co-inventors
93Inventor score
Filing activity: Jun 20, 1973 → Apr 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7884918B2 | Exposure apparatus and method of manufacturing device | Physics | 529 | Active |
| US4643745A | Air cleaner using ionic wind | Performing Operations; Transporting | 122 | Expired |
| US5304899A | Energy supply system to robot within pipe | Electricity | 103 | Expired |
| US5932327A | Electroluminescent element | Emerging Cross-Sectional Technologies | 93 | Expired |
| US4689056A | Air cleaner using ionic wind | Performing Operations; Transporting | 93 | Expired |
| US5532176A | Process for fabricating a complementary MIS transistor | Electricity | 85 | Expired |
| US4556599A | Heat reflection film | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5396247A | Analog-to-digital conversion circuit having a pulse circulating portion | Electricity | 69 | Expired |
| US4673416A | Air cleaning apparatus | Performing Operations; Transporting | 59 | Expired |
| US4112885A | Throttle valve control system for an internal combustion engine | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5421953A | Method and apparatus for direct bonding two bodies | Performing Operations; Transporting | 57 | Expired |
| US3975951A | Intake-air amount detecting system for an internal combustion engine | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4434753A | Ignition apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4416226A | Laser ignition apparatus for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US5574598A | Varifocal lens | Physics | 48 | Expired |
| US5847516A | Electroluminescent display driver device | Physics | 48 | Expired |
| US5334870A | Complementary MIS transistor and a fabrication process thereof | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4851254A | Method and device for forming diamond film | Chemistry; Metallurgy | 44 | Expired |
| US5134371A | Magnetic detection device using an oscillator whose detection element is a magnetoresitance effective element | Physics | 43 | Expired |
| US4177787A | Deteriorated condition detecting apparatus for an oxygen sensor | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US4121548A | Deteriorated condition detecting apparatus for an oxygen sensor | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US4677850A | Semiconductor-type flow rate detecting apparatus | Physics | 41 | Expired |
| US6226434A | Closure for cable connection | Physics | 40 | Expired |
| US5965981A | Transparent thin-film EL display apparatus | Performing Operations; Transporting | 40 | Expired |
| US4438954A | Pipe coupling | Mechanical Engineering; Lighting; Heating | 38 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.