Hiroshi Okano
117Patents
21h-index
169Co-inventors
93Inventor score
Filing activity: Aug 27, 1973 → Jan 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5483795A | Exhaust purification device of internal combustion engine | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5775774A | Tilt mechanism for chairs | Human Necessities | 93 | Expired |
| US5463443A | Camera for preventing camera shake | Physics | 73 | Expired |
| US4143292A | Field emission cathode of glassy carbon and method of preparation | Electricity | 41 | Expired |
| US4911775A | Method of manufacturing dehumidifier element | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6222243A | Thermoelectric device | Electricity | 35 | Expired |
| US4886769A | Active gas adsorbing element and method of manufacturing | Emerging Cross-Sectional Technologies | 33 | Expired |
| US3985405A | Gas bearing assembly | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US4358253A | Turbocharger for use in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US4279576A | Rotating speed detecting device of a turbocharger | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4355850A | Bearing of a turbomachine | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4871607A | Humidity exchanger element | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5880974A | Merchandise simulator system and devices | Physics | 28 | Expired |
| US5824561A | Thermoelectric device and a method of manufacturing thereof | Electricity | 28 | Expired |
| US6478855B1 | Method of dehumidifying and dehumidifier with heat exchanger having first and second passages and moisture cooling in the second passages | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5167211A | Air intake system for a fuel-injection engine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US3951475A | Resiliently mounted gas bearing device | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6868472B1 | Method of Controlling and addressing a cache memory which acts as a random address memory to increase an access speed to a main memory | Physics | 22 | Expired |
| US5402197A | Camera shake alarming apparatus | Physics | 21 | Expired |
| US4376617A | Turbocharger for use in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6684383B1 | Method for constructing enterprise system | Physics | 21 | Expired |
| US5509559A | Container for transportation | Performing Operations; Transporting | 18 | Expired |
| US8500886B2 | Apparatus for removing carbon dioxide from a gas | Emerging Cross-Sectional Technologies | 17 | Active |
| US4296648A | Lubricated friction speed change gearing | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5684640A | Camera with vibration compensation device having anti-vibration lens urging mechanism and feed screw mechanism | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.