Family

Loading Family data...

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

Patent Owner(s)

Patent Owner	Address
TECHWING CO LTD	SOUTH KOREA GYEONGGI DO CITY CHINA HWASEONG GYEONGGI-DO

International Classification(s)

• G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....

• 2011 Application Filing Year
• G01R Class
• 3806 Applications Filed
• 3026 Patents Issued To-Date
• 79.51 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hwang, Jung-Woo	Hwaseong-si, KR	4	5
# of filed Patents : 4 Total Citations : 5
Ku, Tae-Hung	Hwaseong-si, KR	15	65
# of filed Patents : 15 Total Citations : 65
Na, Yun-Sung	Cheonan-si, KR	23	105
# of filed Patents : 23 Total Citations : 105

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• 0 Citation Count
• G01R Class

• 0 % this patent is cited more than
• 12 Age

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

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 15, 2025

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 15, 2013	US,8558569,B2   US8558569B2	GRANTED PATENT AS SECOND PUBLICATION
November 03, 2011	US,20110265316,A1   US20110265316A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8558569

Opener for test handler

---

Abstract

---

An opener for a test handler is provided. Even when holding members of inserts of a carrier board are manipulated to release semiconductor devices that have been in a held state, a predetermined distance can remain between an upper surface of the opening plate and a lower surface of the insert, thus preventing the inserts from becoming defective.

---

 

---

Description

---

Claims

---

Claims data not available

---

Legal Events

 

• MAFP2025
• MAFP2021
• FEPP2021
• FPAY2017
• I2013
• STCF2013
• P2011
• F2011
• AS2011
• PD2010

Date	Code	Event	Description
Apr 02, 2025	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
Mar 31, 2021	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
Mar 18, 2021	FEPP	FEE PAYMENT PROCEDURE	free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Mar 20, 2017	FPAY	FEE PAYMENT	year of fee payment: 4
Oct 15, 2013	I	Issuance
Sep 25, 2013	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Nov 03, 2011	P	Published
Apr 11, 2011	F	Filing
Apr 06, 2011	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NA, YUN-SUNG;KU, TAE-HUNG;HWANG, JUNG-WOO;REEL/FRAME:026104/0679 Owner name: TECHWING CO., LTD., KOREA, REPUBLIC OF Effective Date: Apr 06, 2011
Apr 30, 2010	PD	Priority Date