Optical fiber with lens and optical coupler
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 30, 2020
Grant Date -
Apr 25, 2019
app pub date -
Feb 20, 2017
filing date -
Apr 5, 2016
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
An optical fiber with lens in which one end face of a first GRIN lens is connected to an end face of an optical fiber and one end face of a second GRIN lens is connected to another end face of the first GRIN lens, wherein the optical fiber and the first and second GRIN lenses are coaxially connected, a numerical aperture of the first GRIN lens is smaller than a numerical aperture of the second GRIN lens, and a position in a radial direction of a minimum distribution refractive index nt of the second GRIN lens is set on an inner side of an outer edge of the second GRIN lens and set at a same position as or on an outer side of an outermost periphery of light that is spread by the first GRIN lens.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
JP | B2 | JP6878770 | Apr 05, 2016 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PUBLISHED GRANTED PATENT (SECOND LEVEL) | レンズ付き光ファイバ及び光結合器 | Jun 02, 2021 | |||
EP | B1 | EP3441805 | Feb 20, 2017 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
Patent | LENS-ATTACHED OPTICAL FIBER AND OPTICAL COUPLER | Dec 09, 2020 | |||
KR | B1 | KR102100312 | Feb 20, 2017 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT SPECIFICATION | 렌즈 부착 광파이버 및 광결합기 | Apr 13, 2020 | |||
CN | B | CN109073822 | Feb 20, 2017 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | Lensed optical fiber and optical coupler | Oct 02, 2020 | |||
WO | A1 | WO2017175493 | Feb 20, 2017 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT | レンズ付き光ファイバ及び光結合器 | Oct 12, 2017 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TOYO SEIKAN GROUP HOLDINGS LTD | 18-1 HIGASHI-GOTANDA 2-CHOME SHINAGAWA-KU TOKYO 1418627 ?1418627 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Fukuda, Toshiaki | Kanagawa, JP | 7 | 41 |
# of filed Patents : 7 Total Citations : 41 | |||
Takahashi, Yosuke | Kanagawa, JP | 97 | 705 |
# of filed Patents : 97 Total Citations : 705 |
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Patent Citation Ranking
- 1 Citation Count
- G02B Class
- 43.63 % this patent is cited more than
- 5 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 30, 2027 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 30, 2031 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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Dec 20, 2023 | 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 |
Jun 30, 2020 | P | Publication | |
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Jul 29, 2019 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER |
Apr 25, 2019 | P | Published | |
Oct 02, 2018 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jul 19, 2018 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FUKUDA, TOSHIAKI;TAKAHASHI, YOSUKE;REEL/FRAME:047037/0856 Owner name: TOYO SEIKAN GROUP HOLDINGS, LTD., JAPAN Effective Date: Jul 19, 2018 |
Feb 20, 2017 | F | Filing | |
Apr 05, 2016 | PD | Priority Date |

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