Sakamaki; Yoshikazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sakamaki; Yoshikazu.The latest application filed is for "process for producing adhesive type heater".
- Sakamaki; Yoshikazu - Tochigi JP
- Sakamaki; Yoshikazu - Tochigi-shi JP
| Patent | Date |
|---|---|
| Foot warming heating element and method of manufacturing foot warming heating element Grant 7,611,767 - Usui , et al. November 3, 2 | 2009-11-03 |
| Heating external application material Grant D596,305 - Usui , et al. July 14, 2 | 2009-07-14 |
| Heating external application material Grant D583,958 - Usui , et al. December 30, 2 | 2008-12-30 |
| Process for Producing Adhesive Type Heater App 20080257479 - Usui; Kaoru ; et al. | 2008-10-23 |
| Foot warming heating element and method of manufacturing foot warming heating element App 20040149732 - Usui, Kaoru ; et al. | 2004-08-05 |
| Exothermic composition and exothermic article using the compositions, and method for producing the exothermic article App 20040042965 - Usui, Kaoru ; et al. | 2004-03-04 |
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