Akiyama; Tadahiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Akiyama; Tadahiko.The latest application filed is for "personal-servicing communication system".
- Akiyama; Tadahiko - Koriyama JP
- Akiyama; Tadahiko - JP JP
| Patent | Date |
|---|---|
| Personal-servicing communication system Grant 5,524,049 - Akiyama June 4, 1 | 1996-06-04 |
| Personal-servicing communication system Grant 5,440,625 - Akiyama August 8, 1 | 1995-08-08 |
| Personal-servicing communication system Grant 5,153,906 - Akiyama October 6, 1 | 1992-10-06 |
| Personal-servicing communication system Grant 4,961,217 - Akiyama October 2, 1 | 1990-10-02 |
| Personal-servicing communication system Grant 4,759,056 - Akiyama July 19, 1 | 1988-07-19 |
| Communication system with operation-procedure guiding function by speech Grant 4,736,405 - Akiyama April 5, 1 | 1988-04-05 |
| Communication system with voice announcement means Grant 4,720,848 - Akiyama January 19, 1 | 1988-01-19 |
| Personal-signaling communication system Grant 4,680,785 - Akiyama , et al. July 14, 1 | 1987-07-14 |
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