Mama; Shinichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mama; Shinichi.The latest application filed is for "call device-attached patrol recorder".
- Mama; Shinichi - Yokohama JP
| Patent | Date |
|---|---|
| Call device-attached patrol recorder Grant 4,857,883 - Mama August 15, 1 | 1989-08-15 |
| Time-clock recording and computation apparatus with optional rest processing function Grant 4,516,138 - Iwasawa , et al. May 7, 1 | 1985-05-07 |
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