Noboru Ishihara
15Patents
7h-index
41Co-inventors
66Inventor score
Filing activity: Jul 19, 1983 → May 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5475342A | Amplifier for stably maintaining a constant output | Electricity | 26 | Expired |
| US5557648A | Phase lock loop circuit using a sample and hold switch circuit | Electricity | 21 | Expired |
| US5045807A | Amplifier circuit using feedback load | Electricity | 21 | Expired |
| US4606876A | Method of continuously producing compression molded coal | Chemistry; Metallurgy | 10 | Expired |
| US5429087A | Throttle body for traction control | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6585426B2 | Optical module using wiring lead integrated resin substrate | Electricity | 8 | Expired |
| US4565675A | Process for treating and recovering pickling waste liquids for stainless steel | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4542350A | Monolithic integrated circuit device including AC negative feedback type high frequency amplifier circuit | Electricity | 5 | Expired |
| US8134419B2 | Digital high-frequency generator circuit | Physics | 1 | Active |
| US11104092B2 | Pressure roller for shaping tire member | Performing Operations; Transporting | 0 | Active |
| US10738776B2 | Gear pump device for rubber extrusion | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12401366B2 | Sensor interface circuit and sensor module | Physics | 0 | Active |
| US11739852B2 | Air valve and fuel cell system using air valve | Emerging Cross-Sectional Technologies | 0 | Active |
| US11954555B2 | Sensor interface circuit and sensor module | Electricity | 0 | Active |
| US9987813B2 | Apparatus for mounting tread ring on tire base and method for manufacturing retreaded tire | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.