Hitoshi Yoshida
120Patents
18h-index
185Co-inventors
89Inventor score
Filing activity: Sep 13, 1979 → Jan 29, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6299773A | Porous polyvinylidene fluoride resin film and process for producing the same | Performing Operations; Transporting | 79 | Expired |
| US4475029A | Ceramic heater | Mechanical Engineering; Lighting; Heating | 70 | Expired |
| US6060658A | Pole having solar cells | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6442015B1 | Electrochemical capacitors | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4634837A | Sintered ceramic heater element | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US4535589A | Exhaust gas cleaning device for internal combustion engine | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4456457A | Exhaust gas cleaning device for diesel engine | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4732593A | Sintered ceramic filter structure having body compressively stressed by sintered ceramic material having different sintering shrinkage ratio | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6487066B1 | Electric double layer capacitor and method for producing the same | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5434803A | Coordinate measuring machine and method of measuring therein | Physics | 27 | Expired |
| US5240185A | Powder paint supply device | Physics | 26 | Expired |
| US6293149A | Acceleration sensor element and method of its manufacture | Physics | 25 | Expired |
| US5943079A | Ink jet head | Performing Operations; Transporting | 24 | Expired |
| US4695301A | Porous ceramic monoliths | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4671058A | Heating device | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4613455A | Ceramic heater and a method for its production | Chemistry; Metallurgy | 21 | Expired |
| US4345569A | Intake system for internal combustion engines | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5496798A | Superconducting tube for shielding magnetic fields | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5426412A | Infrared detecting device and infrared detecting element for use in the device | Physics | 18 | Expired |
| US5018217A | Data converting apparatus having means for changing ornamental stroke end data of character outline | Physics | 18 | Expired |
| US6536879B2 | Laminated and bonded construction of thin plate parts | Performing Operations; Transporting | 18 | Expired |
| US4499366A | Ceramic heater device | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5258107A | Method for manufacturing a cantilever with sharpened metal needle | Physics | 16 | Expired |
| US4457185A | Rotational speed controlling device for automatic transmissions using sliding engagement piece | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4633064A | Sintered ceramic electric heater with improved thermal shock resistance | Mechanical Engineering; Lighting; Heating | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.