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  1. Technology classes
  2. /G · Physics
  3. /G02 · Optics
  4. /G02B · Optical elements, systems or apparatus
  5. /G02B 15/00 · Optical objectives with means for varying the magnification
  6. /G02B 15/14 · Optical objectives with means for varying the magnification: by axial movement of
  7. /G02B 15/144 · Having four groups only
  8. /G02B 15/1441 · The first group being positive
  9. /G02B 15/144101
G02B 15/144101

Arranged +---

Official title: {arranged +---}

G02B15/144101 (Arranged +---) appears on 2 US grants and 2 published applications in this corpus.

Search patents in G02B

Where it sits

  1. GPhysics
  2. G02Optics
  3. G02BOptical elements, systems or apparatus
  4. G02B 15/00Optical objectives with means for varying the magnification
  5. G02B 15/14Optical objectives with means for varying the magnification: by axial movement of
  6. G02B 15/144Having four groups only
  7. G02B 15/1441The first group being positive
  8. G02B 15/144101Arranged +---
Granted patents
2
Published applications
2
Assignees
2
Inventors
4
Latest grant
5 Jan 2016

Filings by year

Granted patentsPublished applications
G02B 15/144101: granted patents and published applications per publication year
YearGranted patentsPublished applications
201201
201300
201411
201500
201610

20122013201420152016

By publication year.

Recent patents

  • Variable magnification optical system and imaging apparatus5 Jan 2016US 9,229,202 B2FUJIFILM Corporation
  • Zoom lens and image pickup apparatus including the same1 Jul 2014US 8,767,313 B2Canon Kabushiki Kaisha
  • Variable magnification optical system and imaging apparatus29 May 2014US 2014/0146397 A1FUJIFILM Corporation
  • Zoom lens and image pickup apparatus including the same29 Nov 2012US 2012/0300118 A1Canon Kabushiki Kaisha

Most cited

By later US patents
  • Zoom lens and image pickup apparatus including the same1US 8,767,313 B2Canon Kabushiki Kaisha · 2014

Top assignees

Documents
  • Canon Kabushiki Kaisha2
  • FUJIFILM Corporation2
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