Danzuka; Toshio
Patent Applications and Registrations
Patent applications and USPTO patent grants for Danzuka; Toshio.The latest application filed is for "silica glass article and manufacturing process therefor".
- Danzuka; Toshio - Cary NC
- Danzuka, Toshio - Kanagawa JP
- DANZUKA, TOSHIO - YOKOHAMA-SHI JP
- Danzuka; Toshio - Yokohama JP
| Patent | Date |
|---|---|
| Silica glass article and manufacturing process therefor Grant 6,709,997 - Urano , et al. March 23, 2 | 2004-03-23 |
| Silica glass article and manufacturing process therefor App 20020061810 - Urano, Akira ; et al. | 2002-05-23 |
| Methods of making preform and optical fiber App 20020000104 - Ijiri, Hideyuki ; et al. | 2002-01-03 |
| Optical Fiber And Method Of Manufacturing The Same App 20010043782 - YOKOYAMA, YOSHIO ; et al. | 2001-11-22 |
| Silica glass article and manufacturing process therefor Grant 5,983,673 - Urano , et al. November 16, 1 | 1999-11-16 |
| Method for drawing glass preform for optical fiber Grant 5,788,734 - Hoshino , et al. August 4, 1 | 1998-08-04 |
| Method for flame abrasion of glass preform Grant 5,685,889 - Ohga , et al. November 11, 1 | 1997-11-11 |
| Method for producing glass preform for optical fiber Grant 5,330,548 - Danzuka , et al. July 19, 1 | 1994-07-19 |
| Method for producing glass soot deposit Grant 5,250,097 - Saitoh , et al. October 5, 1 | 1993-10-05 |
| Method for producing porous glass preform for optical fiber Grant 5,238,479 - Ohga , et al. August 24, 1 | 1993-08-24 |
| Method for producing glass preform for optical fiber Grant 4,978,378 - Ito , et al. December 18, 1 | 1990-12-18 |
| Raw material supplying device and process Grant 4,938,789 - Tsuchiya , et al. July 3, 1 | 1990-07-03 |
| Method for producing glass preform for optical fiber Grant 4,793,842 - Yokota , et al. December 27, 1 | 1988-12-27 |
| Method for producing glass preform for optical fiber Grant 4,668,263 - Yokota , et al. May 26, 1 | 1987-05-26 |
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