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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
YAMASHINA SEIKI CO LTD	RITTO-SHI SHIGA 520-3001

International Classification(s)

• B23B:TURNING; BORING
• B23C:MILLING

• 2001 Application Filing Year
• B23B Class
• 524 Applications Filed
• 198 Patents Issued To-Date
• 37.79 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hashii, Mikio	Shiga, JP	1	7
# of filed Patents : 1 Total Citations : 7
Ishida, Yoshitaka	Shiga, JP	27	198
# of filed Patents : 27 Total Citations : 198

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Patent Citation Ranking

• 5 Citation Count
• B23B Class

• 1.74 % this patent is cited more than
• 22 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 20, 2003	US,6565298,B2   US6565298B2	GRANTED PATENT AS SECOND PUBLICATION
December 19, 2002	US,20020189412,A1   US20020189412A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6565298

Eccentric facing unit

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Abstract

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An eccentric facing unit wherein a tool driving shaft is concentrically disposed in a spindle for relative rotation with respect to the spindle. A tool-shaft supporting shaft is eccentrically disposed in a spindle and is connected with the tool driving shaft through a geared transmission so as to rotate at speed two times faster than that of the tool driving shaft. A tool shaft is eccentrically disposed in the tool-shaft supporting shaft in an eccentricity equal to that of the tool-shaft supporting shaft with respect to the spindle and is connected through an Oldham's shaft coupling with the tool driving shaft for integral rotation therewith.

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Description

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Claims

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Claims data not available

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Legal Events

 

• FPAY2014
• FPAY2010
• SULP2007
• FPAY2007
• REMI2006
• I2003
• STCF2003
• P2002
• F2001
• AS2001
• PD2001

Date	Code	Event	Description
Jul 10, 2014	FPAY	FEE PAYMENT	year of fee payment: 12
Nov 17, 2010	FPAY	FEE PAYMENT	year of fee payment: 8
May 09, 2007	SULP	SURCHARGE FOR LATE PAYMENT
May 09, 2007	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 06, 2006	REMI	MAINTENANCE FEE REMINDER MAILED
May 20, 2003	I	Issuance
May 01, 2003	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 19, 2002	P	Published
Nov 05, 2001	F	Filing
Sep 12, 2001	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ISHIDA, YOSHITAKA;HASHII, MIKIO;REEL/FRAME:012326/0483 Owner name: YAMASHINA SEIKI CO., LTD., JAPAN Effective Date: Sep 12, 2001
Jun 13, 2001	PD	Priority Date