Takeda; Ryuji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takeda; Ryuji.The latest application filed is for "silicon wafer".
- Takeda; Ryuji - Niigata N/A JP
- Takeda; Ryuji - Kizugawa-shi JP
- Takeda; Ryuji - Tokyo JP
- Takeda; Ryuji - Tokyo-to JP
- Takeda; Ryuji - Shibata JP
- Takeda; Ryuji - Kanagawa JP
| Patent | Date |
|---|---|
| Silicon wafer Grant 8,642,449 - Watanabe , et al. February 4, 2 | 2014-02-04 |
| Silicon Wafer App 20110053350 - WATANABE; Takashi ; et al. | 2011-03-03 |
| Efficient Preparation Of Naphthoquinone Anticancer Active Ingredients App 20100215625 - Iida; Akira ; et al. | 2010-08-26 |
| Silicon Wafer App 20090261299 - WATANABE; Takashi ; et al. | 2009-10-22 |
| Apparatus and method for adjusting the tilt angle of an optical pickup device Grant 7,336,570 - Shiomi , et al. February 26, 2 | 2008-02-26 |
| Optical disk driving apparatus, optical disk driving method and optical disk apparatus Grant 6,754,154 - Takeda , et al. June 22, 2 | 2004-06-22 |
| Ball screw Grant 6,282,971 - Shirai , et al. September 4, 2 | 2001-09-04 |
| Method of and apparatus for removing metallic impurities diffused in a semiconductor substrate Grant 6,054,373 - Tomita , et al. April 25, 2 | 2000-04-25 |
| Manufacturing method of a silicon wafer having a controlled BMD concentration Grant 5,788,763 - Hayashi , et al. August 4, 1 | 1998-08-04 |
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