Tatsukawa; Hirofumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tatsukawa; Hirofumi.The latest application filed is for "positioning control apparatus".
- Tatsukawa; Hirofumi - Tokyo JP
| Patent | Date |
|---|---|
| Positioning control apparatus Grant 7,284,370 - Tatsukawa October 23, 2 | 2007-10-23 |
| Vehicle key system Grant 6,940,391 - Ishikura , et al. September 6, 2 | 2005-09-06 |
| Vehicle key system Grant 6,868,170 - Fuku , et al. March 15, 2 | 2005-03-15 |
| Vehicle key system Grant 6,710,700 - Tatsukawa , et al. March 23, 2 | 2004-03-23 |
| Positioning control apparatus App 20030140624 - Tatsukawa, Hirofumi | 2003-07-31 |
| Portable transmitter for vehicle key system Grant 6,376,930 - Nagao , et al. April 23, 2 | 2002-04-23 |
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