Twynam; John K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Twynam; John K..The latest application filed is for "composite semiconductor device".
- Twynam; John K. - Osaka N/A JP
- Twynam; John K. - Osaka-shi JP
- Twynam, John K. - Tenri-shi JP
- Twynam; John K. - Tenri JP
| Patent | Date |
|---|---|
| Composite semiconductor device Grant 8,766,275 - Iketani , et al. July 1, 2 | 2014-07-01 |
| Composite Semiconductor Device App 20120292635 - Iketani; Naoyasu ; et al. | 2012-11-22 |
| Heterojunction bipolar transistor capable of restraining the conductivity modulation of the ballast layer App 20020088993 - Twynam, John K. ; et al. | 2002-07-11 |
| Heterojunction bipolar transistor having low electron and hole concentrations in the emitter-base junction region Grant 5,508,536 - Twynam , et al. April 16, 1 | 1996-04-16 |
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