Endoscopic system using an extremely fine composite optical fiber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 1, 2009
Grant Date -
Sep 1, 2005
app pub date -
Feb 22, 2005
filing date -
Feb 24, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
that is connected to the eyepiece portion of said composite optical fiber such that it launches laser light into said large-diameter optical fiber and that the image being transmitted through said image transmitting optical fiber is focused on a camera to become observable, and an illuminating light transmitting unit that transmits illuminating light to the tip of the objective portion of said composite optical fiber for irradiation purposes.
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 | |
---|---|---|
NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICAL SCIENCE AND TECHNOLOGY | 4-9-1 ANAGAWA INAGE-KU CHIBA-SHI CHIBA |
International Classification(s)

- 2005 Application Filing Year
- A61B Class
- 5165 Applications Filed
- 3561 Patents Issued To-Date
- 68.95 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hayakawa, Akiyoshi | Inuyama , JP | 3 | 42 |
# of filed Patents : 3 Total Citations : 42 | |||
Ishii, Takashi | Sakura , JP | 145 | 1866 |
# of filed Patents : 145 Total Citations : 1866 | |||
Nakatate, Kenichi | Sakura , JP | 27 | 206 |
# of filed Patents : 27 Total Citations : 206 | |||
Oka, Kiyoshi | Ibaraki-ken , JP | 17 | 369 |
# of filed Patents : 17 Total Citations : 369 | |||
Osaki, Toshio | Yokohama , JP | 1 | 40 |
# of filed Patents : 1 Total Citations : 40 | |||
Toriya, Tomoaki | Sakura , JP | 8 | 60 |
# of filed Patents : 8 Total Citations : 60 | |||
Tsumanuma, Takashi | Sakura , JP | 28 | 644 |
# of filed Patents : 28 Total Citations : 644 |
Cited Art Landscape
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Patent Citation Ranking
- 3 Citation Count
- A61B Class
- 1.00 % this patent is cited more than
- 16 Age
Forward Cite Landscape
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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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Oct 26, 2015 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Sep 25, 2015 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Sep 25, 2015 |
Sep 25, 2015 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
May 08, 2015 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 24, 2011 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Sep 25, 2007 | I | Issuance | |
Sep 08, 2005 | P | Published | |
Dec 16, 2004 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIRIYAMA, HIROMITSU;YAMAKAWA, KOICHI;REEL/FRAME:016140/0408 Owner name: JAPAN ATOMIC ENERGY RESEARCH INSTITUTE, JAPAN Effective Date: Dec 16, 2004 |
Aug 27, 2004 | F | Filing | |
Mar 04, 2004 | PD | Priority Date |

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