Ishizuka; Keiji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ishizuka; Keiji.The latest application filed is for "decoding apparatus and method".
- Ishizuka; Keiji - Tokyo JP
- Ishizuka; Keiji - Kawasaki JP
| Patent | Date |
|---|---|
| Decoding apparatus and method Grant 6,313,767 - Ishizuka , et al. November 6, 2 | 2001-11-06 |
| Coding method and apparatus therefor Grant 6,026,197 - Ohsawa , et al. February 15, 2 | 2000-02-15 |
| Coding/decoding apparatus and coding/decoding method Grant 5,848,194 - Ishizuka , et al. December 8, 1 | 1998-12-08 |
| Image signal correcting in image data processing requiring only small memory capacity Grant 5,262,873 - Ishizuka November 16, 1 | 1993-11-16 |
| Differential phase shift keying demodulator Grant 4,714,892 - Ishizuka December 22, 1 | 1987-12-22 |
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