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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 15/145 · Having five groups only
  8. /G02B 15/1451 · The first group being positive
  9. /G02B 15/145131
G02B 15/145131

Arranged +++++

Official title: {arranged +++++}

G02B15/145131 (Arranged +++++) appears on 3 US grants and 3 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 15/145Having five groups only
  7. G02B 15/1451The first group being positive
  8. G02B 15/145131Arranged +++++
Granted patents
3
Published applications
3
Assignees
4
Inventors
4
Latest grant
30 Apr 2024

Filings by year

Granted patentsPublished applications
G02B 15/145131: granted patents and published applications per publication year
YearGranted patentsPublished applications
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200520152024

By publication year.

Recent patents

  • Scope30 Apr 2024US 11,971,603 B2Asia Optical Co., Inc.
  • Projection optical system and projector3 Sep 2019US 10,401,596 B2Konica Minolta, Inc.
  • Zoom lens and image display apparatus including the zoom lens8 May 2007US 7,215,477 B2Canon Kabushiki Kaisha
  • Scope30 Jun 2022US 2022/0206250 A1Asia Optical Co., Inc.
  • Projection Optical System and Projector1 Jun 2017US 2017/0153427 A1Konica Minolta, Inc.
  • Zoom lens and image display apparatus including the zoom lens15 Sep 2005US 2005/0200967 A1Canon Kabushiki Kaisha

Most cited

By later US patents
  • Zoom lens and image display apparatus including the zoom lens9US 7,215,477 B2Canon Kabushiki Kaisha · 2007
  • Projection optical system and projector2US 10,401,596 B2Konica Minolta, Inc. · 2019

Top assignees

Documents
  • AOAsia Optical Co., Inc.2
  • Canon Kabushiki Kaisha2
  • Konica Minolta, Inc.2
  • SOSintai Optical (Shenzhen) Co., Ltd.2
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