G02B 15/145529
Arranged --+++
Official title: {arranged --+++}
G02B15/145529 (Arranged --+++) appears on 11 US grants and 13 published applications in this corpus.
Search patents in G02B- Granted patents
- 11
- Published applications
- 13
- Assignees
- 7
- Inventors
- 12
- Latest grant
- 22 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 4 |
| 2015 | 4 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year.
Recent patents
- Projection zoom lens22 Oct 2019US 10,451,857 B2Ricoh Company, Ltd.
- Image display device19 Mar 2019US 10,234,662 B2Ricoh Company, Ltd.
- Image display device30 May 2017US 9,664,883 B2Ricoh Company, Ltd.
- Projection zoom lens2 May 2017US 9,638,903 B2Ricoh Company, Ltd.
- Projection zoom lens18 Aug 2015US 9,110,277 B2Seiko Epson Corporation
- Zoom lens and image pickup apparatus18 Jul 2024US 2024/0241354 A1Canon Kabushiki Kaisha
- Image display device3 Aug 2017US 2017/0219806 A1Ricoh Company, Ltd.
- Projection zoom lens22 Jun 2017US 2017/0176729 A1Ricoh Company, Ltd.
- Projection zoom lens3 Jul 2014US 2014/0185143 A1Ricoh Company, Ltd.
- Image display device3 Jul 2014US 2014/0185144 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Variable-magnification projection optical system and projection display device7US 8,976,455 B2FUJIFILM Corporation · 2015
- Zoom lens and projector using zoom lens6US 7,548,378 B2Casio Computer Co., Ltd. · 2009
- Variable magnification optical system for projection and projection-type display apparatus2US 8,693,105 B2FUJIFILM Corporation · 2014
- Variable-magnification projection optical system and projection display device2US 8,976,454 B2FUJIFILM Corporation · 2015
- Projection zoom lens2US 9,638,903 B2Ricoh Company, Ltd. · 2017