Patent | Date |
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Optical glass, optical element, optical instrument, and method for manufacturing optical glass Grant 11,254,602 - Endo February 22, 2 | 2022-02-22 |
Optical Glass, Optical Element, Optical Device, Method For Producing Optical Glass, And Method For Producing Optical Element App 20210047231 - Endo; Michio | 2021-02-18 |
Optical Glass, Optical Element, Optical Instrument, And Method For Manufacturing Optical Glass App 20190119147 - Endo; Michio | 2019-04-25 |
Autonomous Learning System Using Video/audio Clips App 20180025658 - TAKAHASHI; HAYATO ;   et al. | 2018-01-25 |
Optical glass, optical element, and method for manufacturing optical glass Grant 9,040,439 - Endo , et al. May 26, 2 | 2015-05-26 |
Optical Glass, Optical Element, And Method For Manufacturing Optical Glass App 20140256531 - Endo; Michio ;   et al. | 2014-09-11 |
Optical material and optical element Grant 8,492,298 - Yamamoto , et al. July 23, 2 | 2013-07-23 |
Optical material and optical element Grant 8,338,003 - Nakata , et al. December 25, 2 | 2012-12-25 |
Optical material and optical element Grant 8,202,813 - Nakata , et al. June 19, 2 | 2012-06-19 |
Optical Material And Optical Element App 20120126437 - Nakata; Kohei ;   et al. | 2012-05-24 |
Optical Material And Optical Element App 20110177323 - Nakata; Kohei ;   et al. | 2011-07-21 |
Optical Material And Optical Element App 20110143909 - Yamamoto; Kiyoshi ;   et al. | 2011-06-16 |
Optical Material And Optical Element App 20100081561 - Nakata; Kohei ;   et al. | 2010-04-01 |
Optical glass, press-molding glass gob and optical element Grant 7,615,507 - Endo November 10, 2 | 2009-11-10 |
Optical glass, glass gob for press-molding, optical part, process for producing glass shaped material and process for producing optical part Grant 7,598,193 - Endo October 6, 2 | 2009-10-06 |
Optical glass, press-molding glass gob and optical element Grant 7,490,485 - Endo February 17, 2 | 2009-02-17 |
Optical glass, press-molding glass gob and optical element App 20080194395 - Endo; Michio | 2008-08-14 |
Optical glass, press-molding glass gob and optical element App 20070015651 - Endo; Michio | 2007-01-18 |
Optical glass, glass gob for press-molding, optical part, process for producing glass shaped material and process for producing optical part App 20060189473 - Endo; Michio | 2006-08-24 |
Optical glass, press-molding glass gob and optical element App 20050209085 - Endo, Michio | 2005-09-22 |
Method and apparatus for manufacturing minute metallic sphere Grant 6,926,860 - Endo , et al. August 9, 2 | 2005-08-09 |
Optical glass, press-molding glass gob and optical element Grant 6,912,093 - Endo June 28, 2 | 2005-06-28 |
Optical glass, press-molding glass gob and optical element App 20040145815 - Endo, Michio | 2004-07-29 |
Method and apparatus for manufacturing minutes metalic sphere App 20040035247 - Endo, Michio ;   et al. | 2004-02-26 |
Method and apparatus for manufacturing minute metallic sphere Grant 6,676,726 - Endo , et al. January 13, 2 | 2004-01-13 |
Optical glass and optical part Grant 6,645,894 - Endo November 11, 2 | 2003-11-11 |
Optical glass and optical part App 20030032542 - Endo, Michio | 2003-02-13 |
Method and apparatus for manufacturing minute metallic sphere App 20030029273 - Endo, Michio ;   et al. | 2003-02-13 |
Metal mold for glass forming Grant 5,656,104 - Imamura , et al. August 12, 1 | 1997-08-12 |
Process for preparing ultra-high-molecular-weight polyolefin fine powder Grant 4,972,035 - Suga , et al. November 20, 1 | 1990-11-20 |