Yoshikawa; Tadashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yoshikawa; Tadashi.The latest application filed is for "process for producing high-purity silicon and apparatus".
- Yoshikawa; Tadashi - Chigasaki-shi JP
- Yoshikawa; Tadashi - Kanagawa JP
- Yoshikawa; Tadashi - Tochigi JP
| Patent | Date |
|---|---|
| Process For Producing High-purity Silicon And Apparatus App 20090202415 - SHIMAMUNE; Takayuki ; et al. | 2009-08-13 |
| Process for producing high-purity silicon and apparatus Grant 7,538,044 - Shimamune , et al. May 26, 2 | 2009-05-26 |
| Data storage device, information transmitter, data storage system and information processing system App 20070130190 - Yoshikawa; Tadashi | 2007-06-07 |
| Process for producing high-purity silicon and apparatus App 20060270199 - Shimamune; Takayuki ; et al. | 2006-11-30 |
| Battery pack for a portable radiotelegraphic unit Grant 4,910,103 - Yoshikawa , et al. March 20, 1 | 1990-03-20 |
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