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

Patent Owner(s)

Patent Owner	Address
SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED	ANDHERI (EAST) MUMBAI 400 093

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

• 2009 Application Filing Year
• A61K Class
• 10313 Applications Filed
• 6747 Patents Issued To-Date
• 65.43 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bowmick, Subhas Balaram	Baroda, IN	1	0
# of filed Patents : 1 Total Citations : 0
Halder, Arindam	Baroda, IN	26	25
# of filed Patents : 26 Total Citations : 25
Khopade, Ajay Jaysingh	Baroda, IN	32	45
# of filed Patents : 32 Total Citations : 45

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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

Full Text

US Patent Application No: 2002/0118,904

Optical fiber systems for transmitting laser light with reduced back reflection interference

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Abstract

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In accordance with the invention, an optical fiber system comprising a laser source an optical fiber including a reflective input end for receiving light from the source is provided with a polarization quarter-wave plate between the laser and the reflective end for minimizing power fluctuations from back reflection. The quarter-wave plate does not prevent back reflection but rather rotates the polarization of the back reflected light so that it does not interfere with the polarized light within the cavity. In an advantageous embodiment the quarter-wave plate is disposed within a receptacle laser package.

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Description

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