KUMASAKA; Katsunori
Patent Applications and Registrations
Patent applications and USPTO patent grants for KUMASAKA; Katsunori.The latest application filed is for "speaker and image display apparatus".
- KUMASAKA; Katsunori - Sendai-shi JP
- Kumasaka; Katsunori - Sendai JP
- Kumasaka; Katsunori - Soma JP
| Patent | Date |
|---|---|
| Speaker And Image Display Apparatus App 20180317020 - ABE; Yoshiyuki ; et al. | 2018-11-01 |
| Piezoelectric Speaker App 20180041839 - ABE; Yoshiyuki ; et al. | 2018-02-08 |
| Vibration Transfer Structure And Piezoelectric Speaker App 20180035200 - ABE; Yoshiyuki ; et al. | 2018-02-01 |
| Sound Generating Unit And Electronic Device App 20170257706 - YAMAZAKI; Osamu ; et al. | 2017-09-07 |
| Device generating sound Grant 9,743,166 - Abe , et al. August 22, 2 | 2017-08-22 |
| Piezoelectric element, piezoelectric vibration module, and methods of manufacturing the same Grant 9,544,694 - Abe , et al. January 10, 2 | 2017-01-10 |
| Device Generating Sound App 20160249120 - ABE; Yoshiyuki ; et al. | 2016-08-25 |
| Piezoelectric Element, Piezoelectric Vibration Module, And Methods Of Manufacturing The Same App 20150163598 - Abe; Yoshiyuki ; et al. | 2015-06-11 |
| Piezoelectric transformer Grant 6,960,871 - Kumasaka , et al. November 1, 2 | 2005-11-01 |
| Mounting structure of piezoelectric transformer and method of mounting piezoelectric transformer Grant 6,515,405 - Kumasaka , et al. February 4, 2 | 2003-02-04 |
| Cold-cathode tube lighting circuit with protection circuit for piezoelectric transformer Grant 6,118,221 - Kumasaka , et al. September 12, 2 | 2000-09-12 |
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