| Patent | Date |
|---|
Optical Glass, Glass Material For Press Molding, Optical Element, And Method Of Manufacturing Same
App 20130337992 - KASUGA; Yoshiko ; et al. | 2013-12-19 |
Optical glass, glass material for press molding, optical element, and method of manufacturing same
Grant 8,479,539 - Kasuga , et al. July 9, 2 | 2013-07-09 |
Preforms For Precision Press Molding, Optical Elements, And Methods Of Manufacturing The Same
App 20110289970 - Zou; Xuelu ; et al. | 2011-12-01 |
Preforms for precision press molding, optical elements, and methods of manufacturing the same
Grant 7,994,082 - Zou , et al. August 9, 2 | 2011-08-09 |
Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the element
Grant 7,827,823 - Kasuga , et al. November 9, 2 | 2010-11-09 |
Optical glass, preform for precision press molding and method of manufacturing thereof, optical element and method of manufacturing thereof
Grant 7,745,361 - Kasuga , et al. June 29, 2 | 2010-06-29 |
Optical glass, preform for precision press-molding, process for the production of the preform, optical element, and process for the production of the element
Grant 7,700,507 - Kasuga , et al. April 20, 2 | 2010-04-20 |
Optical glass, precision press molding preform and optical element
Grant 7,670,978 - Kasuga , et al. March 2, 2 | 2010-03-02 |
Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the element
App 20090288450 - Kasuga; Yoshiko ; et al. | 2009-11-26 |
Optical glass, precision press-molding preform, process for production thereof, optical element and process for the production thereof
Grant 7,351,675 - Kasuga , et al. April 1, 2 | 2008-04-01 |
Optical glass, preform for precision press molding and method of manufacturing thereof, optical element and method of manufacturing thereof
App 20070247721 - Kasuga; Yoshiko ; et al. | 2007-10-25 |
Optical glass, precision press molding preform and method of manufacturing the same, optical element and method of manufacturing the same
Grant 7,232,779 - Kasuga , et al. June 19, 2 | 2007-06-19 |
Optical glass, preform for press molding and optical element
Grant 7,157,391 - Kasuga , et al. January 2, 2 | 2007-01-02 |
Optical glass, press-molding preform and optical element
Grant 7,087,543 - Kasuga , et al. August 8, 2 | 2006-08-08 |
Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the element
App 20060105900 - Kasuga; Yoshiko ; et al. | 2006-05-18 |
Optical glass, glass material for press molding, optical element, and method of manufacturing same
App 20060105897 - Kasuga; Yoshiko ; et al. | 2006-05-18 |
Optical glass, preform for precision press-molding, process for the production of the preform, optical element, and process for the production of the element
App 20060079390 - Kasuga; Yoshiko ; et al. | 2006-04-13 |
Optical glass, glass material for press molding, optical element, and method of manufacturing same
Grant 7,015,164 - Kasuga , et al. March 21, 2 | 2006-03-21 |
Optical glass, precision press-molding preform, process for production thereof, optical element and process for the production thereof
App 20050164864 - Kasuga, Yoshiko ; et al. | 2005-07-28 |
Preforms for precision press molding, optical elements, and methods of manufacturing the same
App 20050032621 - Zou, Xuelu ; et al. | 2005-02-10 |
Optical glass, preform for press molding and optical element
App 20040138043 - Kasuga, Yoshiko ; et al. | 2004-07-15 |
Optical glass, press-molding preform and optical element
App 20040127343 - Kasuga, Yoshiko ; et al. | 2004-07-01 |
Optical glass, precision press molding preform and method of manufacturing the same, optical element and method of manufacturing the same
App 20040106507 - Kasuga, Yoshiko ; et al. | 2004-06-03 |
Optical glass, glass material for press molding, optical element, and method of manufacturing same
App 20030096694 - Kasuga, Yoshiko ; et al. | 2003-05-22 |
| 