Tokunaga; Kazuyoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tokunaga; Kazuyoshi.The latest application filed is for "document processing method".
- Tokunaga; Kazuyoshi - Ibaraki JP
- Tokunaga; Kazuyoshi - Hitachinaka JP
- Tokunaga; Kazuyoshi - Katsuta JP
- Tokunaga; Kazuyoshi - Hitachi JA
| Patent | Date |
|---|---|
| Method and image forming apparatus, and printing system for recording invisible information recording Grant 7,433,075 - Tokunaga , et al. October 7, 2 | 2008-10-07 |
| Document processing method Grant 7,209,256 - Kageyama , et al. April 24, 2 | 2007-04-24 |
| Document processing method App 20040017583 - Kageyama, Seiji ; et al. | 2004-01-29 |
| Centrifugal separator and administration of user and actual operation of the same Grant 6,679,821 - Numata , et al. January 20, 2 | 2004-01-20 |
| Method and image forming apparatus, and printing system for recording invisible information recording App 20020027674 - Tokunaga, Kazuyoshi ; et al. | 2002-03-07 |
| System for management of body rotation of centrifuge Grant 5,342,280 - Niinai , et al. August 30, 1 | 1994-08-30 |
| Ink droplet expelling apparatus Grant 4,672,398 - Kuwabara , et al. June 9, 1 | 1987-06-09 |
| Nonimpact printer Grant 4,416,533 - Tokunaga , et al. November 22, 1 | 1983-11-22 |
| Thermomagnetic recording apparatus Grant 4,314,257 - Tokunaga , et al. February 2, 1 | 1982-02-02 |
| Liquid Jet Printer Having A Droplet Detecting Device Grant 3,810,194 - Tokunaga , et al. May 7, 1 | 1974-05-07 |
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