Wide-angle projection system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 10, 2017
Issued Date -
N/A
app pub date -
Mar 13, 2015
filing date -
Oct 25, 2012
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A wide-angle projection system includes a refraction unit and a reflection unit. The refraction unit includes a first lens group of positive refractive power and a second lens group of negative refractive power. The second lens group is disposed between the first lens group and the reflection unit and the condition: 0.9
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
YOUNG OPTICS INC | NO 7 HSIN ANN RD HSINCHU SCIENCE PARK |
International Classification(s)

- 2015 Application Filing Year
- G02B Class
- 9095 Applications Filed
- 7457 Patents Issued To-Date
- 82 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chen, Yi-Hsueh | Hsinchu, TW | 23 | 64 |
# of filed Patents : 23 Total Citations : 64 | |||
Hsu, Ya-Ling | Hsinchu, TW | 109 | 480 |
# of filed Patents : 109 Total Citations : 480 | |||
Tien, Chi-Chang | Hsinchu, TW | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Tsai, Li-Chiu | Hsinchu, TW | 6 | 9 |
# of filed Patents : 6 Total Citations : 9 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- G02B Class
- 0 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 10, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 10, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Oct 20, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
May 29, 2018 | I | Issuance | |
May 09, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 31, 2017 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE COVER SHEET TO REMOVE APPLICATION NO. 15567271 PREVIOUSLY RECORDED ON REEL 048207 FRAME 0819. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNOR:COOPER TECHNOLOGIES COMPANY;REEL/FRAME:048655/0114 Owner name: EATON INTELLIGENT POWER LIMITED, IRELAND Effective Date: Dec 31, 2017 |
Dec 31, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:COOPER TECHNOLOGIES COMPANY;REEL/FRAME:048207/0819 Owner name: EATON INTELLIGENT POWER LIMITED, IRELAND Effective Date: Dec 31, 2017 |
May 11, 2017 | P | Published | |
Aug 17, 2016 | F | Filing | |
Aug 17, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZHANG, ZHIHUI;MCCARTHY, WILLIAM E.;KNUTSON, JAMES A.;SIGNING DATES FROM 20130910 TO 20130911;REEL/FRAME:039469/0480 Owner name: COOPER TECHNOLOGIES COMPANY, TEXAS |

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