Chihiro Kobayashi
32Patents
11h-index
53Co-inventors
78Inventor score
Filing activity: Mar 12, 1991 → Aug 2, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5696321A | Thermal-type air flow measuring instrument with fluid-direction judging capability | Physics | 41 | Expired |
| US5467648A | Air flow rate measuring device | Physics | 34 | Expired |
| US6010666A | Deodorizing method, deodorizer, method of manufacturing deodorizer, and deodorizing apparatus | Performing Operations; Transporting | 28 | Expired |
| US5789673A | Thermal type air flow measuring instrument for internal combustion engine | Physics | 20 | Expired |
| US5211556A | Root canal meter | Human Necessities | 19 | Expired |
| US5631415A | Air flow rate measuring device | Physics | 18 | Expired |
| US6207106A | Room temperature deodorizing method based on a polymerization reaction, an oxidation reaction and adsorption | Performing Operations; Transporting | 17 | Expired |
| US5892146A | Heating resistor type air flow meter with a measuring module inside the main air flow passage body | Physics | 16 | Expired |
| US5096419A | Apparatus and method for detecting an apical position | Human Necessities | 16 | Expired |
| US5832403A | Air flow measuring apparatus and method thereof | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6435023B1 | Heating resistor type air flow rate measuring apparatus | Physics | 15 | Expired |
| US5939628A | Thermal type air flow measuring instrument for internal combustion engine | Physics | 10 | Expired |
| US8215160B2 | Sensor structure | Physics | 10 | Active |
| US5381691A | Air flow meter | Physics | 9 | Expired |
| US5750889A | Air flow rate measuring apparatus and air flow rate measuring method | Physics | 8 | Expired |
| US6189379A | Thermal type air flow measuring instrument for internal combustion engine | Physics | 7 | Expired |
| US7523659B2 | Flow measurement apparatus | Physics | 6 | Active |
| US6981868B2 | Dental filling instrument and attachment therefor | Performing Operations; Transporting | 5 | Expired |
| US6230559A | Thermal type flow measuring instrument and temperature-error correcting apparatus thereof | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6672146B1 | Thermal resistor type air flow measuring apparatus | Physics | 5 | Expired |
| US6520009B2 | Air flow rate measuring apparatus | Physics | 3 | Expired |
| US7934419B2 | Intake air mass flow measurement device | Physics | 3 | Active |
| US8844349B2 | Thermal type air flow meter having a reinforcing structure provided on the base member between the board fixing part and the secondary passage constituting part | Physics | 3 | Active |
| US7213455B2 | Thermal type gas flow measuring instrument | Physics | 2 | Expired |
| US5201216A | Air flow meter for internal combustion engines and a manufacturing method thereof | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.