Ishizaka; Kazunori
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ishizaka; Kazunori.The latest application filed is for "earphone".
- Ishizaka; Kazunori - Tokyo-to JP
- Ishizaka; Kazunori - Hikari JP
| Patent | Date |
|---|---|
| Earphone Grant 8,891,799 - Fujikura , et al. November 18, 2 | 2014-11-18 |
| Ear piece and earphone Grant 8,265,327 - Ishizaka September 11, 2 | 2012-09-11 |
| Earphone App 20110249855 - Tamura; Shinji ; et al. | 2011-10-13 |
| Ear piece and earphone App 20110158457 - Ishizaka; Kazunori | 2011-06-30 |
| Headphone and stereo headphone App 20110110543 - Ishizaka; Kazunori ; et al. | 2011-05-12 |
| Earphone App 20090304220 - FUJIKURA; Takashi ; et al. | 2009-12-10 |
| Silicon wafer excelling in gettering ability and method for production thereof Grant 5,189,508 - Tachimori , et al. February 23, 1 | 1993-02-23 |
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