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Patent applications and USPTO patent grants for Harada; Isamu.The latest application filed is for "method for feeding granular silicon material, feed pipe used in the method, and method of manufacturing a silicon monocrystal".
Patent | Date |
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Method for feeding granular silicon material, feed pipe used in the method, and method of manufacturing a silicon monocrystal Grant 5,902,395 - Nagai , et al. May 11, 1 | 1999-05-11 |
Apparatus for recharging of silicon granules in a czochralski single crystal growing operation Grant 5,868,835 - Nagai , et al. February 9, 1 | 1999-02-09 |
Method for recharging of silicon granules in a Czochralski single crystal growing operation Grant 5,690,733 - Nagai , et al. November 25, 1 | 1997-11-25 |
Wire vibration prevention mechanism for a single crystal pulling apparatus Grant 5,089,239 - Mizuishi , et al. February 18, 1 | 1992-02-18 |
Method for producing organic fertilizers Grant 4,180,392 - Ishibashi , et al. December 25, 1 | 1979-12-25 |
Electro-optic device Grant 4,035,060 - Tsunoda , et al. * July 12, 1 | 1977-07-12 |
Electro-optic device Grant 3,944,330 - Tsunoda , et al. March 16, 1 | 1976-03-16 |
Electro-optic display device Grant 3,897,996 - Tsunoda , et al. August 5, 1 | 1975-08-05 |
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