Tosaka; Hisanao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tosaka; Hisanao.The latest application filed is for "ptc element".
- Tosaka; Hisanao - Tokyo JP
- Tosaka; Hisanao - Yuri-gun JP
- Tosaka; Hisanao - Akita JP
| Patent | Date |
|---|---|
| PTC element Grant 7,573,008 - Yamashita , et al. August 11, 2 | 2009-08-11 |
| PTC element Grant 7,414,515 - Hirano , et al. August 19, 2 | 2008-08-19 |
| PTC thermistor Grant 7,368,069 - Tosaka , et al. May 6, 2 | 2008-05-06 |
| PTC element and production process thereof Grant 7,326,889 - Tosaka , et al. February 5, 2 | 2008-02-05 |
| PTC element App 20070151968 - Yamashita; Masaaki ; et al. | 2007-07-05 |
| PTC element and production process thereof App 20070069848 - Tosaka; Hisanao ; et al. | 2007-03-29 |
| PTC element App 20070046420 - Hirano; Noriaki ; et al. | 2007-03-01 |
| PTC composition, method of making the same, and thermistor body obtained therefrom App 20060231807 - Tosaka; Hisanao ; et al. | 2006-10-19 |
| PTC thermistor body, PTC thermistor, method of making PTC thermistor body, and method of making PTC thermistor Grant 7,019,613 - Nihira , et al. March 28, 2 | 2006-03-28 |
| Ptc thermistor and method for manufacturing ptc thermistor App 20050116808 - Tosaka, Hisanao ; et al. | 2005-06-02 |
| PTC composition, method of making the same, and thermistor body obtained therefrom App 20040041683 - Tosaka, Hisanao ; et al. | 2004-03-04 |
| PTC thermistor body, PTC thermistor, method of making PTC thermistor body, and method of making PTC thermistor App 20030234717 - Nihira, Yoshito ; et al. | 2003-12-25 |
| Polymer PTC element App 20020153992 - Kobayashi, Katsumi ; et al. | 2002-10-24 |
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