Kuba; Keiichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kuba; Keiichi.The latest application filed is for "optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex camera".

Company Profile

0.15.7

Kuba; Keiichi - Koganei N/A JP
Kuba; Keiichi - Tokyo JP
Kuba; Keiichi - Hachioji JP
Kuba; Keiichi - Hachiohji JP
Kuba, Keiichi - Tokyo-to JP
Kuba; Keiichi - Hachiojo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical system and image pick-up device provided with the same Grant 8,564,756 - Kuba October 22, 2	2013-10-22
Optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex camera App 20090220224 - Tochigi; Akiyoshi ; et al.	2009-09-03
Optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex camera Grant 7,509,046 - Tochigi , et al. March 24, 2	2009-03-24
Optical System And Image Pick-up Device Provided With The Same App 20080309835 - Kuba; Keiichi	2008-12-18
Light path reflecting optical system and apparatus provided with the same Grant 7,123,425 - Kuba October 17, 2	2006-10-17
Optical path bending optical system and electronic apparatus using the same Grant 7,085,072 - Kuba August 1, 2	2006-08-01
Path-bending zoom optical system Grant 7,079,328 - Kuba July 18, 2	2006-07-18
Vari-focal optical system Grant 7,042,651 - Kuba , et al. May 9, 2	2006-05-09
Light path reflecting optical system and apparatus provided with the same App 20050128604 - Kuba, Keiichi	2005-06-16
Vari-focal optical system App 20050030641 - Kuba, Keiichi ; et al.	2005-02-10
Optical path bending optical system and electronic apparatus using the same App 20050018313 - Kuba, Keiichi	2005-01-27
Scanning optical system Grant 6,795,223 - Kuba September 21, 2	2004-09-21
Path-bending zoom optical system App 20040130647 - Kuba, Keiichi	2004-07-08
Scanning optical system App 20040061916 - Kuba, Keiichi	2004-04-01
Image display apparatus Grant 5,909,325 - Kuba , et al. June 1, 1	1999-06-01
Image display apparatus Grant 5,812,100 - Kuba September 22, 1	1998-09-22
Image display apparatus Grant 5,661,604 - Kuba August 26, 1	1997-08-26
Diffractive optical element for use within a projection lens system Grant 5,623,365 - Kuba April 22, 1	1997-04-22
Visual display having see-through function and stacked liquid crystal shutters of opposite viewing angle directions Grant 5,572,343 - Okamura , et al. November 5, 1	1996-11-05
Image display system with right and left eye illuminating means Grant 5,467,205 - Kuba , et al. November 14, 1	1995-11-14
Projection lens system Grant 5,170,207 - Tezuka , et al. December 8, 1	1992-12-08

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.