patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /H · Electricity
  3. /H03 · Electronic circuitry
  4. /H03F · Amplifiers
  5. /H03F 3/00 · Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  6. /H03F 3/45 · Differential amplifiers
  7. /H03F 3/45071 · With semiconductor devices only
  8. /H03F 3/45076 · Characterised by the way of implementation of the active amplifying circuit in
  9. /H03F 3/45179 · Using mosfet transistors as the active amplifying circuit
  10. /H03F 3/45251 · Complementary pl types having parallel inputs and being supplied in series
  11. /H03F 3/4526
H03F 3/4526

Folded cascode stages

Official title: {Folded cascode stages}

H03F3/4526 (Folded cascode stages) appears on 2 US grants and 2 published applications in this corpus.

Search patents in H03F

Where it sits

  1. HElectricity
  2. H03Electronic circuitry
  3. H03FAmplifiers
  4. H03F 3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  5. H03F 3/45Differential amplifiers
  6. H03F 3/45071With semiconductor devices only
  7. H03F 3/45076Characterised by the way of implementation of the active amplifying circuit in
  8. H03F 3/45179Using mosfet transistors as the active amplifying circuit
  9. H03F 3/45251Complementary pl types having parallel inputs and being supplied in series
  10. H03F 3/4526Folded cascode stages
Granted patents
2
Published applications
2
Assignees
1
Inventors
2
Latest grant
13 Feb 2018

Filings by year

Granted patentsPublished applications
H03F 3/4526: granted patents and published applications per publication year
YearGranted patentsPublished applications
201201
201300
201400
201511
201600
201700
201810

2012201320142015201620172018

By publication year.

Recent patents

  • Output circuit, data driver, and display device13 Feb 2018US 9,892,703 B2Renesas Electronics Corporation
  • Output circuit, data driver, and display device24 Mar 2015US 8,988,402 B2Renesas Electronics Corporation
  • Output circuit, data driver, and display device9 Jul 2015US 2015/0194115 A1Renesas Electronics Corporation
  • Output circuit, data driver, and display device24 May 2012US 2012/0127138 A1Renesas Electronics Corporation

Most cited

By later US patents
  • Output circuit, data driver, and display device10US 8,988,402 B2Renesas Electronics Corporation · 2015
  • Output circuit, data driver, and display device3US 9,892,703 B2Renesas Electronics Corporation · 2018

Top assignees

Documents
  • Renesas Electronics Corporation4

Often classified with

  • G09GArrangements or circuits for control of indicating devices using static means to4

Documents that also carry the other class.

patentgrep

Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

Product

  • Search
  • New this week
  • Where the data comes from
  • Pricing

Browse

  • Companies
  • Technology classes

Developers

  • API docs
  • PatentsView-compatible API
  • MCP server
  • Changelog

About

  • Privacy
  • Terms
© 2026 patentgrepData from USPTO bulk files