Hiroki Ito
96Patents
20h-index
126Co-inventors
91Inventor score
Filing activity: May 31, 1983 → Sep 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6743177B2 | Puncturing needle guide, ultrasonic probe, and ultrasound imaging apparatus | Human Necessities | 102 | Expired |
| US5614099A | Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same | Emerging Cross-Sectional Technologies | 99 | Expired |
| US6366247B1 | Antenna device and portable radio set | Electricity | 87 | Expired |
| US6362792B1 | Antenna apparatus and portable radio set | Electricity | 83 | Expired |
| US5733602A | Method for producing highly permeable composite reverse osmosis membrane | Performing Operations; Transporting | 79 | Expired |
| US5843351A | Highly permeable composite reverse osmosis membrane, method of producing the same | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6024873A | Highly permeable composite reverse osmosis membrane and a reverse osmosis membrane module using the same | Performing Operations; Transporting | 60 | Expired |
| US5989426A | Osmosis membrane | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5561326A | Large scale integrated circuit device | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6454942B1 | Liquid separation membrane module | Performing Operations; Transporting | 37 | Expired |
| US6392390B1 | Synchronous switching apparatus for use with a multiple phase power system | Electricity | 36 | Expired |
| US6052567A | Portable radio apparatus with coaxial antenna feeder in microphone arm | Electricity | 34 | Expired |
| US4890575A | Thin film forming device | Chemistry; Metallurgy | 33 | Expired |
| US6947000B2 | Antenna device and portable radio communication device | Electricity | 29 | Expired |
| US4799454A | Apparatus for forming a thin film | Chemistry; Metallurgy | 27 | Expired |
| US6723422B1 | Composite reverse osmosis membrane and process for preparing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4476419A | Windshield wiper control device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4818387A | Sulfonated polysulfone composite semipermeable membranes and process for producing the same | Performing Operations; Transporting | 24 | Expired |
| US6493203B1 | Phase control switch apparatus | Electricity | 24 | Expired |
| US6172863A | Phase control switching system | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5525158A | Thin film deposition apparatus | Electricity | 20 | Expired |
| US5100526A | Apparatus for forming thin film | Chemistry; Metallurgy | 19 | Expired |
| US7095139B2 | Transformer inrush current elimination system | Electricity | 18 | Expired |
| US5054421A | Substrate cleaning device | Chemistry; Metallurgy | 17 | Expired |
| US5861859A | Antenna assembly and portable radio apparatus | Electricity | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.