Kawahata; Kenji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawahata; Kenji.The latest application filed is for "voltage controlled oscillator".
- Kawahata; Kenji - Sayama N/A JP
- Kawahata; Kenji - Sayama-shi JP
- Kawahata; Kenji - Saitama JP
| Patent | Date |
|---|---|
| Voltage controlled oscillator Grant 8,547,183 - Yamakawa , et al. October 1, 2 | 2013-10-01 |
| Voltage controlled oscillator Grant 8,289,093 - Tsuda , et al. October 16, 2 | 2012-10-16 |
| Voltage controlled oscillator Grant 8,283,989 - Onzuka , et al. October 9, 2 | 2012-10-09 |
| Voltage controlled oscillator App 20110080223 - Yamakawa; Junichiro ; et al. | 2011-04-07 |
| Voltage controlled oscillator App 20110080222 - Onzuka; Tatsunori ; et al. | 2011-04-07 |
| Voltage controlled oscillator App 20110080228 - Tsuda; Toshimasa ; et al. | 2011-04-07 |
| Harmonic oscillator using transmission line resonator Grant 7,538,628 - Aikawa , et al. May 26, 2 | 2009-05-26 |
| High-frequency filter using coplanar line resonator Grant 7,479,856 - Asamura , et al. January 20, 2 | 2009-01-20 |
| High-frequency balun Grant 7,471,165 - Asamura , et al. December 30, 2 | 2008-12-30 |
| Harmonic oscillator using transmission line resonator App 20070164830 - Aikawa; Masayoshi ; et al. | 2007-07-19 |
| High-frequency balun App 20070001779 - Asamura; Fumio ; et al. | 2007-01-04 |
| High-frequency filter using coplanar line resonator App 20060192639 - Asamura; Fumio ; et al. | 2006-08-31 |
| High-frequency oscillator Grant 6,771,137 - Aikawa , et al. August 3, 2 | 2004-08-03 |
| High-frequency oscillator App 20030102927 - Aikawa, Masayoshi ; et al. | 2003-06-05 |
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