Precision roll turning lathe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 14, 2010
Issued Date -
N/A
app pub date -
Jun 13, 2007
filing date -
Jun 14, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides a precision roll turning lathe which can form a pattern including three-dimensionally shaped portions, such as three-sided pyramids, on the surface of a roll, with high accuracy. Specifically, a tool post is provided with a tool turning axis (A axis) which is used to turn a tool such that, when forming a spiral groove cut through the roll, a cutting face of a tip of the tool is oriented perpendicular to a direction along which the spiral groove extends.
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 | |
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TOSHIBA KIKAI KABUSHIKI KAISHA | 2-2 UCHISAIWAICHO 2-CHOME CHIYODA-KU TOKYO 100-8503 |
International Classification(s)

- 2007 Application Filing Year
- B23B Class
- 434 Applications Filed
- 279 Patents Issued To-Date
- 64.29 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Akiyama, Takanobu | Numazu, JP | 19 | 85 |
# of filed Patents : 19 Total Citations : 85 |
Cited Art Landscape
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Patent Citation Ranking
- 5 Citation Count
- B23B Class
- 6.25 % this patent is cited more than
- 15 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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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 |
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Dec 20, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12 |
Nov 15, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Nov 24, 2014 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Jun 28, 2011 | I | Issuance | |
Jun 08, 2011 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 11, 2008 | P | Published | |
May 21, 2007 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ABE, TOSHIAKI;SUZUKI, HIROYUKI;REEL/FRAME:019388/0809 Owner name: KABUSHIKI KAISHA SATO, JAPAN Effective Date: May 21, 2007 |
Jul 20, 2006 | F | Filing | |
Jul 29, 2005 | PD | Priority Date |

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