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

Patent Owner(s)

Patent Owner	Address
CANON FINETECH NISCA INC	14-1 CHUO 1-CHOME MISATO-SHI SAITAMA 341-8527

International Classification(s)

• 1802:PRINTING MACHINES

• 2021 Application Filing Year
• 1802 Class
• 33 Applications Filed
• 33 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Goto, Shin	Misato, JP	3	1
# of filed Patents : 3 Total Citations : 1
Ito, Syoji	Misato, JP	3	26
# of filed Patents : 3 Total Citations : 26

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Patent Citation Ranking

• 1 Citation Count
• 1802 Class

• 84.93 % this patent is cited more than
• 2 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Mar 26, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 26, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 26, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 No: 9880452

Image projection apparatus and illumination optical system

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Abstract

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An image projection apparatus includes: an illumination optical system; a projection optical system assembled integrally with the illumination optical system; and a frame fixed to only one system, that has a larger weight, of the illumination optical system and the projection optical system.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2022
• MAFP2018
• FPAY2014
• I2011
• STCF2011
• P2010
• FEPP2010
• F2010
• AS2004
• PD2003

Date	Code	Event	Description
Dec 21, 2022	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
Dec 20, 2018	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
Dec 17, 2014	FPAY	FEE PAYMENT	year of fee payment: 4
Jul 05, 2011	I	Issuance
Jun 15, 2011	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 23, 2010	P	Published
Nov 02, 2010	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Aug 26, 2010	F	Filing
May 14, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WHITBY-STREVENS, COLIN;HAUCK, JERROLD VON;REEL/FRAME:025369/0953 Owner name: APPLE COMPUTER INC., CALIFORNIA Effective Date: May 14, 2004
Nov 18, 2003	PD	Priority Date