Family

Loading Family data...

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

Patent Owner(s)

Patent Owner	Address
NGK INSULATORS LTD	NAGOYA CITY AICHI PREF
THE UNIVERSITY OF ELECTRO-COMMUNICATIONS	1-5-1 CHOFUGAOKA CHOFU-SHI TOKYO 182-8585

International Classification(s)

• B21J:FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURN....
• C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
• C22C:ALLOYS

• 2014 Application Filing Year
• B21J Class
• 171 Applications Filed
• 152 Patents Issued To-Date
• 88.89 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Miura, Hiromi	Chofu, JP	10	40
# of filed Patents : 10 Total Citations : 40
Muramatsu, Naokuni	Nagoya, JP	42	208
# of filed Patents : 42 Total Citations : 208

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• 1 Citation Count
• B21J Class

• 29.73 % this patent is cited more than
• 8 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	Sep 7, 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
March 07, 2017	US,9586256,B2   US9586256B2	GRANTED PATENT AS SECOND PUBLICATION
December 18, 2014	US,20140366604,A1   US20140366604A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9586256

Forging method and forging die

---

Abstract

---

A forging method according to the present invention includes the steps of placing a work having a first shape which is a rectangular hexahedron in a work space of a forging die which has a rectangular opening, which is formed by rectangular plane wall portions, and which is provided with the work space to hold the work in a placement step and applying a plastic strain to the work by deforming the placed work into a second shape which is a rectangular hexahedron in a working step, with the placement step and the working step being performed at least two times.

---

 

---

Description

---

Claims

---

Claims data not available

---

Legal Events

 

• LAPS2025
• FEPP2024
• MAFP2020
• I2017
• STCF2017
• P2014
• F2014
• AS2014
• PD2012

Date	Code	Event	Description
Apr 14, 2025	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 28, 2024	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Aug 27, 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
Mar 07, 2017	I	Issuance
Feb 15, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 18, 2014	P	Published
Sep 02, 2014	F	Filing
Sep 02, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MIURA, HIROMI;MURAMATSU, NAOKUNI;SIGNING DATES FROM 20140715 TO 20140717;REEL/FRAME:033650/0165 Owner name: NGK INSULATORS, LTD., JAPAN free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MIURA, HIROMI;MURAMATSU, NAOKUNI;SIGNING DATES FROM 20140715 TO 20140717;REEL/FRAME:033650/0165 Owner name: THE UNIVERSITY OF ELECTRO-COMMUNICATIONS, JAPAN
Mar 27, 2012	PD	Priority Date