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Glass base material, optical fiber, method for manufacturing thereof, and method for determining cause of defect thereof Grant 6,914,669 - Oyamada July 5, 2 | 2005-07-05 |
Glass base material, optical fiber, method for manufacturing thereof, and method for determining cause of defect thereof App 20050123256 - Oyamada, Hiroshi | 2005-06-09 |
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Glass base material, optical fiber, method for manufacturing thereof, and method for determining cause of defect thereof App 20040190852 - Oyamada, Hiroshi | 2004-09-30 |
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Method for manufacturing preform and preform App 20030115910 - Oyamada, Hiroshi ;   et al. | 2003-06-26 |
Glass base material, optical fiber, method for manufacturing thereof, and method for determining cause of defect thereof App 20020176675 - Oyamada, Hiroshi | 2002-11-28 |
Glass fiber reinforced polyamide resin composition Grant 6,407,157 - Oyamada , et al. June 18, 2 | 2002-06-18 |
Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the same App 20020020193 - Shimada, Tadakatsu ;   et al. | 2002-02-21 |
Glass fiber reinforced polyamide resin composition App 20010047050 - Oyamada, Hiroshi ;   et al. | 2001-11-29 |