Bending structure and joint function part
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Apr 1, 2025
Grant Date -
Jan 5, 2023
app pub date -
Aug 2, 2019
filing date -
Aug 2, 2019
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
Provided is a bending structure and a joint function part, capable of ensuring sufficient flexibility and rigidity in an axial direction. The bending structure is provided with an outer coiled part formed of a wire wound in a coiled shape and an inner coiled part formed of a wire wound in a coiled shape and arranged in the outer coiled part, wherein the outer coiled part has a plurality of gaps to distance adjacent coils, and coils of the inner coiled part are provided so as to correspond to the gaps of the outer coiled part and fit between the adjacent coils while being in contact with the adjacent coils of the outer coiled part.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NHK SPRING CO LTD | KANAGAWA 236-0004 |
International Classification(s)

- 2019 Application Filing Year
- A61B Class
- 19985 Applications Filed
- 13174 Patents Issued To-Date
- 65.92 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hirata, Takafumi | Yokohama, JP | 25 | 28 |
# of filed Patents : 25 Total Citations : 28 | |||
Hotoda, Yuki | Yokohama, JP | 15 | 4 |
# of filed Patents : 15 Total Citations : 4 | |||
Kurokawa, Shimpei | Yokohama, JP | 14 | 19 |
# of filed Patents : 14 Total Citations : 19 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- A61B Class
- 0 % this patent is cited more than
- < 1 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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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Oct 1, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 1, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 1, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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

Legal Events
Date | Code | Event | Description |
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Oct 29, 2024 | P | Publication | |
Oct 09, 2024 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
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Oct 26, 2023 | P | Published | |
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Jun 22, 2022 | F | Filing | |
Jun 22, 2022 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Jun 17, 2022 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YU, YAN;ZHUANG, ZANYONG;ZHOU, LINXIN;AND OTHERS;REEL/FRAME:060292/0688 Owner name: FUZHOU UNIVERSITY, CHINA Effective Date: Jun 17, 2022 |
Apr 21, 2022 | PD | Priority Date |

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