Kenji Ishikawa
49Patents
19h-index
111Co-inventors
84Inventor score
Filing activity: Sep 5, 1985 → Sep 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5382311A | Stage having electrostatic chuck and plasma processing apparatus using same | Electricity | 899 | Expired |
| US5591269A | Vacuum processing apparatus | Chemistry; Metallurgy | 285 | Expired |
| US5567267A | Method of controlling temperature of susceptor | Electricity | 164 | Expired |
| US5958140A | One-by-one type heat-processing apparatus | Electricity | 159 | Expired |
| US5625526A | Electrostatic chuck | Electricity | 105 | Expired |
| US5665167A | Plasma treatment apparatus having a workpiece-side electrode grounding circuit | Electricity | 89 | Expired |
| US4682703A | Stopper for medical container | Human Necessities | 76 | Expired |
| US5529821A | Container for storing blood or blood component | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4664275A | Medical container stopper | Chemistry; Metallurgy | 69 | Expired |
| US5547472A | Catheter with medicament injection pores | Human Necessities | 60 | Expired |
| US5480394A | Flexible member for use as a medical bag | Human Necessities | 45 | Expired |
| US5665260A | Ceramic electrostatic chuck with built-in heater | Electricity | 44 | Expired |
| US5904872A | Heating device, method of manufacturing the same, and processing apparatus using the same | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6936333B2 | Bulky sheet and process for producing the same | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5969767A | Multipicture video signal display apparatus with modified picture indication | Electricity | 27 | Expired |
| US6376046B1 | Cleaning article impregnated with detergent | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6482180B2 | Intravascular catheter | Human Necessities | 23 | Expired |
| US5993436A | Indwelling catheter with improved kinking resistance | Human Necessities | 22 | Expired |
| US4936314A | Method of evacuating and preserving a blood collecting device | Human Necessities | 22 | Expired |
| US5566043A | Ceramic electrostatic chuck with built-in heater | Electricity | 19 | Expired |
| US5595916A | Silicon oxide film evaluation method | Electricity | 19 | Expired |
| US7298964B2 | Recording system, video camera device and video image recording method | Electricity | 18 | Expired |
| US6224934A | Ozone-processing apparatus for semiconductor process system | Chemistry; Metallurgy | 15 | Expired |
| US6891183B2 | Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus | Performing Operations; Transporting | 13 | Expired |
| US5618350A | Processing apparatus | Chemistry; Metallurgy | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.