Haruo Kobayashi
43Patents
9h-index
71Co-inventors
78Inventor score
Filing activity: Dec 5, 1974 → Mar 21, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4952955A | Focal length switch-over camera | Physics | 39 | Expired |
| US4129369A | Parallax compensating device for the view finder in a camera | Physics | 21 | Expired |
| US7884751B2 | Time-to-digital converter | Physics | 17 | Active |
| US5051765A | Camera | Physics | 14 | Expired |
| US7688242B2 | Analog-to-digital (AD) converter and analog-to-digital conversion method | Electricity | 13 | Active |
| US7098828B2 | Complex band-pass ΔΣ AD modulator for use in AD converter circuit | Electricity | 13 | Expired |
| US5036346A | Zooming apparatus for a viewfinder optical system | Physics | 12 | Expired |
| US4256396A | Camera viewfinder device | Physics | 11 | Expired |
| US6480133B2 | Low-power analog-to-digital converter | Electricity | 9 | Expired |
| US7227482B2 | Complex band-pass filter for use in digital radio receiver and complex band-pass Δ-Σ AD modulator using the same | Electricity | 9 | Expired |
| US8587271B2 | Envelope tracking power supply circuit and high-frequency amplifier including envelope tracking power supply circuit | Emerging Cross-Sectional Technologies | 8 | Active |
| US4862206A | Exposure control system | Physics | 7 | Expired |
| US3945979A | Polycarbonate resin compositions with improved transparency | Chemistry; Metallurgy | 7 | Expired |
| US4572641A | Latch device for cartridge compartment door of a camera | Physics | 6 | Expired |
| US7242337B2 | Band-pass Δ-Σ AD modulator for AD-converting high frequency narrow-band signal with higher precision and lower power consumption | Electricity | 6 | Expired |
| USD667493S1 | Cartridge for textile printer | General | 5 | Active |
| US8319675B2 | Analog-to-digital converter | Electricity | 4 | Active |
| US9427971B2 | Printer with a cleanable nozzle surface | Performing Operations; Transporting | 4 | Active |
| US4571043A | Dustproofing device for thin vertically disposed camera | Physics | 4 | Expired |
| US7095350B2 | DA converter circuit provided with DA converter of segment switched capacitor type | Electricity | 4 | Expired |
| US8515374B2 | PLL circuit, and radio communication apparatus equipped with same | Electricity | 4 | Active |
| US6583376B2 | Sealing apparatus used in a wire cut electric discharge machine | Performing Operations; Transporting | 3 | Expired |
| US8436757B2 | Complex bandpass ΔΣAD modulator and digital radio receiver | Electricity | 3 | Active |
| US7821432B2 | Analog digital convert apparatus, analog digital convert method, control apparatus and program | Electricity | 3 | Active |
| US7425870B2 | Current mirror circuit | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.