Kouji Yamashita
34Patents
9h-index
69Co-inventors
78Inventor score
Filing activity: Sep 13, 1988 → Aug 2, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7950230B2 | Waste heat recovery apparatus | Emerging Cross-Sectional Technologies | 80 | Active |
| US4924237A | Antenna and its electronic circuit combination | Electricity | 75 | Expired |
| US5068889A | Cordless telephone capable of programming an ID code into both a base and cordless remote unit via the cordless remote unit | Electricity | 46 | Expired |
| US7987679B2 | Air conditioning apparatus | Mechanical Engineering; Lighting; Heating | 43 | Active |
| US7076162B2 | Mobile equipment and mobile phone with shooting function | Electricity | 43 | Expired |
| US5250265A | Automotive solar-operated deodorizer with solar cell cooling and automated operational control | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7843298B2 | Power distribution transformer and tank therefor | Electricity | 19 | Active |
| US6202411A | Flow rate control device in a hydraulic excavator | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5481872A | Hydraulic circuit for operating plural actuators and its pressure compensating valve and maximum load pressure detector | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US9353979B2 | Air-conditioning apparatus | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6863044B2 | Air intake device of internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5442649A | Semiconductor laser device | Electricity | 8 | Expired |
| US7014478B2 | Electrical connection box and manufacturing method thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7085489B2 | Mobile device and mobile telephone device having imaging function | Electricity | 8 | Expired |
| US8087258B2 | Air conditioner, refrigerant filling method of air conditioner, method for judging refrigerant filling state of air conditioner as well as refrigerant filling and pipe cleaning method of air conditioner | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6325104A | Hydraulic circuit, precedence valve block and operation valve block assembly | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7856837B2 | Air conditioning equipment, fan equipment, method of reducing noise of equipment, pressure pulsation reducer for refrigeration cycle equipment, pressure pulsation reducer for pump equipment and method of reducing pressure pulsation of equipment | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6330979A | Vehicle air conditioner with automatical selection of foot mode and foot/defroster mode | Performing Operations; Transporting | 2 | Expired |
| US8449359B2 | Structure for installing air-conditioning duct to air-conditioning unit | Performing Operations; Transporting | 2 | Active |
| US7139474B2 | Mobile equipment and mobile phone with shooting function | Electricity | 2 | Expired |
| US7947347B2 | Vacuum heat insulator | Emerging Cross-Sectional Technologies | 1 | Active |
| US7482762B2 | Discharge lamp ballast with detection of abnormal discharge outside the arc tube | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7292127B2 | Transformer | Electricity | 1 | Expired |
| US8943849B2 | Air-conditioning apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10811739B2 | Battery pack | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.