Inventor
Hajime Shibata
Inventor
Toronto, CA
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding39%
H03FAmplifiers7%
H03KPulse technique7%
H03HImpedance networks, e.g. resonant circuits5%
B08BCleaning in general3%
H02HEmergency protective circuit arrangements3%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%
H04LTransmission of digital information, e.g. telegraphic communication3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
11,081,831Waterproof connector202110,608,851Continuous-time sampler circuits202010,432,210Oversampled continuous-time pipeline ADC with digital signal reconstruction201910,361,711Stub filters to improve blocker tolerance in continuous-time residue generation analog-to-digital converters201910,187,075Blocker tolerance in continuous-time residue generating analog-to-digital converters201910,181,860Reducing residue signals in analog-to-digital converters201910,171,102Oversampled continuous-time pipeline ADC with voltage-mode summation201910,056,914Frequency-domain ADC flash calibration20189,912,144'Embedded overload protection in delta-sigma analog-to-digital converters'20189,912,342'Flash analog-to-digital converter calibration'20189,843,337'Background flash offset calibration in continuous-time delta-sigma ADCS'20179,838,031Dither injection for continuous-time MASH ADCS20179,793,908'Protection circuits for tunable resistor at continuous-time ADC input'20179,774,344'Continuous-time analog-to-digital converter'20179,768,793'Adaptive digital quantization noise cancellation filters for mash ADCs'20179,762,221'RC lattice delay'20179,525,444'Adaptive element shuffler'20169,496,433'Photoelectric conversion device and method for manufacturing photoelectric conversion device'20169,432,045'Continuous-time oversampling pipeline analog-to-digital converter'20169,350,321'Low distortion impedance selection and tunable impedance circuits'20169,312,840'LC lattice delay line for high-speed ADC applications'20169,203,426'Estimation of digital-to-analog converter static mismatch errors'20159,178,529'Multi-stage noise shaping analog-to-digital converter'20159,054,731'Integrator output swing reduction'20158,896,475'Continuous-time oversampling pipeline analog-to-digital converter'20148,829,962'Sub-gate delay adjustment using digital locked-loop'20148,704,568'Sub-gate delay adjustment using digital locked-loop'20148,638,156'Multi-output-resistance switch driver circuits'20148,536,939'Cross-coupled multipath feedforward operational amplifiers'20138,410,962'Active RC resonators with enhanced Q factor'20138,350,626'Amplifier circuit'20138,304,804'Semiconductor device'20128,102,206'Multi-path, multi-stage feed-forward operational amplifier circuit'20127,915,959'Multi-path, multi-oxide-thickness amplifier circuit'20117,262,726'Quadrature bandpass ΔΣ converter'20075,454,347'Laser-beam annealing apparatus'19955,203,362'Ultrasonic oscillating device and ultrasonic washing apparatus using the same'19935,119,840'Ultrasonic oscillating device and ultrasonic washing apparatus using the same'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1993Based in Tokyo, JP· patent location history
1995–2016Based in Tsukuba, JP· patent location history
2007–2016Patents assigned to ANALOG DEVICES INC (10)· patent assignee history
2011–2020Based in Toronto, CA· patent location history
2012–2016Patents assigned to SHIBATA HAJIME (10)· patent assignee history
2012Based in Ibaraki, JP· patent location history
2014–2016Patents assigned to ANALOG DEVICES TECHNOLOGY (5)· patent assignee history
2015–2018Patents assigned to ANALOG DEVICES GLOBAL (15)· patent assignee history
2019–2020Patents assigned to ANALOG DEVICES GLOBAL UNLIMITED CO (6)· patent assignee history
2021Based in Makinohara-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANALOG DEVICES GLOBAL | 15 | 2015–2018 |
| ANALOG DEVICES INC | 10 | 2007–2016 |
| SHIBATA HAJIMEself | 10 | 2012–2016 |
| ANALOG DEVICES GLOBAL UNLIMITED CO | 6 | 2019–2020 |
| ANALOG DEVICES TECHNOLOGY | 5 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toronto, CA | 31 | 2011–2020 |
| Tsukuba, JP | 2 | 1995–2016 |
| Tokyo, JP | 2 | 1992–1993 |
| Makinohara-shi, JP | 1 | 2021 |
| Ibaraki, JP | 1 | 2012 |