Yoshikazu Takahashi
195Patents
22h-index
217Co-inventors
93Inventor score
Filing activity: Dec 9, 1976 → Jan 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5126618A | Longitudinal-effect type laminar piezoelectric/electrostrictive driver, and printing actuator using the driver | Electricity | 368 | Expired |
| US6783501B2 | Heart rate monitor and heart rate measuring method | Human Necessities | 162 | Expired |
| US5402159A | Piezoelectric ink jet printer using laminated piezoelectric actuator | Performing Operations; Transporting | 143 | Expired |
| US8174495B2 | Electronic apparatus | Electricity | 116 | Active |
| US6765299B2 | Semiconductor device and the method for manufacturing the same | Electricity | 95 | Expired |
| US4774150A | Thermal barrier coating | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4624867A | Process for forming a synthetic resin film on a substrate and apparatus therefor | Electricity | 58 | Expired |
| US6109716A | Ink-jet printing apparatus having printed head driven by ink viscosity dependent drive pulse | Performing Operations; Transporting | 57 | Expired |
| US5141714A | Exhaust gas cleaner | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5266964A | Piezoelectric ink jet printer head | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6725155B1 | Method and apparatus for information processing, and medium for information processing | Physics | 37 | Expired |
| US5215446A | Piezoelectric pump which uses a piezoelectric actuator | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6099103A | Ink droplet ejecting method and apparatus | Performing Operations; Transporting | 33 | Expired |
| US7489286B2 | Display apparatus | Physics | 32 | Active |
| US5089739A | Laminate type piezoelectric actuator element | Electricity | 31 | Expired |
| US4893168A | Semiconductor integrated circuit device including bonding pads and fabricating method thereof | Electricity | 30 | Expired |
| US5214440A | Motorized antenna device | Electricity | 29 | Expired |
| US4652697A | Aluminum-stabilized superconducting wire | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5736994A | Ink-jet apparatus and driving method thereof | Performing Operations; Transporting | 27 | Expired |
| US5559555A | Apparatus for performing exposure control pertaining to the luminance level of an object | Electricity | 27 | Expired |
| US5657063A | Ink jet apparatus | Performing Operations; Transporting | 25 | Expired |
| US6214340A | Physiologically active substance sulphostin, process for producing the same, and use thereof | Chemistry; Metallurgy | 25 | Expired |
| US6416149B2 | Ink jet apparatus, ink jet apparatus driving method, and storage medium for storing ink jet apparatus control program | Performing Operations; Transporting | 21 | Expired |
| US5903286A | Method for ejecting ink droplets from a nozzle in a fill-before-fire mode | Performing Operations; Transporting | 20 | Expired |
| US5473374A | Exposing apparatus for performing exposure control corresponding to the luminance level of an object | Electricity | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.