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Patent applications and USPTO patent grants for OGAWA; Hirokuni.The latest application filed is for "aligning method and aligning apparatus".
Patent | Date |
---|---|
Aligning Method And Aligning Apparatus App 20110239438 - OGAWA; Hirokuni | 2011-10-06 |
Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit device Grant 7,046,881 - Sakuma , et al. May 16, 2 | 2006-05-16 |
Optical switch, optical add-drop module, and optical communication system Grant 7,046,872 - Sakuma , et al. May 16, 2 | 2006-05-16 |
Optical multiplexer/demultiplexer Grant 6,690,852 - Ogawa , et al. February 10, 2 | 2004-02-10 |
Optical switch, optical add-drop module, and optical communication system App 20030210855 - Sakuma, Ken ;   et al. | 2003-11-13 |
Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit device App 20030021536 - Sakuma, Ken ;   et al. | 2003-01-30 |
Optical multiplexer/demultiplexer App 20020021863 - Ogawa, Hirokuni ;   et al. | 2002-02-21 |
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