Kenichi Kawashima
39Patents
12h-index
62Co-inventors
84Inventor score
Filing activity: Jul 18, 1975 → Oct 21, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5260579A | Charged particle beam exposure system and charged particle beam exposure method | Electricity | 132 | Expired |
| US6086454A | Method of fabricating a semiconductor device using a CMP process | Performing Operations; Transporting | 40 | Expired |
| US4853870A | Electron beam exposure system | Electricity | 28 | Expired |
| US4202182A | Multi-tube evaporator for a cooler used in an automobile | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6543360B2 | Printing plate and printer using it | Performing Operations; Transporting | 21 | Expired |
| US4321019A | Swash plate type compressor | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4867649A | Refrigerating system | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4291231A | Electron beam exposure system and an apparatus for carrying out the same | Electricity | 18 | Expired |
| US4425765A | Air conditioner for automobiles | Performing Operations; Transporting | 18 | Expired |
| US6176094A | Refrigerating machine oil composition, and refrigeration and compressor using the refrigerating machine oil composition | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5204950A | Data processing system for transmitting data between a host processor and an I/O device | Physics | 13 | Expired |
| US6273348A | Fuel injection valve and direct injection engine using the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4322626A | Method of electron beam exposure | Electricity | 11 | Expired |
| US4326838A | Swash plate type compressor for use in air-conditioning system for vehicles | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5190836A | Reflection type photomask with phase shifter | Physics | 11 | Expired |
| US4861245A | Scroll compressor with sealed pressure space biasing the orbiting scroll member | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5338647A | Reflection type photomask and reflection type photolithography method comprising a concavo-convex surface | Physics | 10 | Expired |
| US4782712A | Variable displacement compressor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4653991A | Vane type compressor with fluid pressure biased vanes | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4702684A | Slide vane type compressor with increased suction part-cross-sectional area | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4815943A | Variable displacement wobble plate compressor with capacity control valve | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4508968A | Apparatus for processing negative photoresist | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4515514A | Vane-type rotary machine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4636148A | Vane type compressor with volume control | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6027852A | Article having a light-controllable super-water-repellent surface and a printing machine using the article | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.