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

Patent Owner(s)

Patent Owner	Address
TOMOEGAWA CO LTD	TOKYO JAPAN

International Classification(s)

• H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....

• 2013 Application Filing Year
• H04R Class
• 2086 Applications Filed
• 1938 Patents Issued To-Date
• 92.91 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kawakami, Fukushi	Hamamatsu, JP	18	254
# of filed Patents : 18 Total Citations : 254
Sano, Takayuki	Shizuoka, JP	63	425
# of filed Patents : 63 Total Citations : 425

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Patent Citation Ranking

• 2 Citation Count
• H04R Class

• 15.56 % this patent is cited more than
• 9 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	Apr 11, 2028

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 11, 2016	US,9467760,B2   US9467760B2	GRANTED PATENT AS SECOND PUBLICATION
March 19, 2015	US,20150078568,A1   US20150078568A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9467760

Microphone device, microphone unit, microphone structure, and electronic equipment using these

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Abstract

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A microphone unit which can suppress collection of wind noise and minimize or eliminate digital signal processing has at least a microphone, a first acoustic transmissive material, and a second acoustic transmissive material, the first acoustic transmissive material is a fiber material in which fibers are intertwined with each other, the second acoustic transmissive material is a mesh-like member or a porous member having a plurality of holes, and the microphone is configured to be protected by the first acoustic transmissive material and the second acoustic transmissive material in this order.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2024
• MAFP2020
• FEPP2017
• I2016
• STCF2016
• P2015
• AS2014
• F2013
• PD2012

Date	Code	Event	Description
Apr 05, 2024	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
Apr 01, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Sep 05, 2017	FEPP	FEE PAYMENT PROCEDURE	free format text: PETITION RELATED TO MAINTENANCE FEES GRANTED (ORIGINAL EVENT CODE: PTGR)
Oct 11, 2016	I	Issuance
Sep 21, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 19, 2015	P	Published
Jul 15, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KAWAKAMI, FUKUSHI;SANO, TAKAYUKI;REEL/FRAME:033771/0191 Owner name: TOMOEGAWA CO., LTD., JAPAN Effective Date: Jul 15, 2014
Mar 15, 2013	F	Filing
Mar 21, 2012	PD	Priority Date