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

Patent Owner(s)

Patent Owner	Address
TECHNISCHE UNIVERSITEIT DELFT	2628 CN DELFT

International Classification(s)

• C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
• A01G:HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, ....

• 2012 Application Filing Year
• C12P Class
• 1680 Applications Filed
• 1225 Patents Issued To-Date
• 72.92 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kleerebezem, Robert	Delft, NL	1	2
# of filed Patents : 1 Total Citations : 2
Tamis, Jelmer	Delft, NL	2	3
# of filed Patents : 2 Total Citations : 3
van, Loosdrecht Mark Cornelis Maria	Delft, NL	1	2
# of filed Patents : 1 Total Citations : 2

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Patent Citation Ranking

• 2 Citation Count
• C12P Class

• 25.47 % this patent is cited more than
• 11 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 28, 2026

Fee	Large entity fee	small entity fee	micro entity fee
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

US Patent Application No: 2012/0263,478

HEARING AID SYSTEM USING WIRELESS OPTICAL COMMUNICATIONS

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Abstract

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Provided is a hearing aid system using a wireless optical communications method. The hearing aid system includes: a voice transmitter that converts addresser's voice into an optical signal to then transmit the converted optical signal; and a hearing aid that restores the optical signal received from the voice transmitter into the addresser's voice to then output the restored addresser's voice. Accordingly, the addresser's voice can directly be transmitted to the hard-of-hearing via wireless optical communications, to thereby prevent a voice discriminating power from lowering even in the case that ambient noise of an addresser as well as a listener is big.

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Description

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Claims

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