Optical coupling system and optical device using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 21, 2005
Grant Date -
Apr 24, 2003
app pub date -
Feb 14, 2002
filing date -
Feb 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Two lenses are used for forming a collimator parallel pair, in which the distance between the two lenses is substantially made coincident with the maximum distance allowing beam waists to be formed at equal distances from the two lenses respectively.
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 | |
---|---|---|
GO!FOTON HOLDINGS INC | 28 WORLD'S FAIR DRIVE SOMERSET NJ 08873 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kittaka, Shigeo | Osaka, JP | 50 | 419 |
# of filed Patents : 50 Total Citations : 419 | |||
Nagata, Hideshi | Osaka, JP | 22 | 174 |
# of filed Patents : 22 Total Citations : 174 | |||
Nakazawa, Tatsuhiro | Osaka, JP | 27 | 158 |
# of filed Patents : 27 Total Citations : 158 | |||
Sasaki, Yasuji | Osaka, JP | 5 | 72 |
# of filed Patents : 5 Total Citations : 72 | |||
Taniyama, Minoru | Osaka, JP | 39 | 405 |
# of filed Patents : 39 Total Citations : 405 |
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Patent Citation Ranking
- 3 Citation Count
- G02B Class
- 1.76 % this patent is cited more than
- 20 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
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