Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D314400 | Coffee vending machine | — | 1991-02-05 |
| D308414 | Combined dehumidifier and air cleaner | — | 1990-06-05 |
| D301238 | Sealer | — | 1989-05-23 |
| D298758 | Sealer | — | 1988-11-29 |
| D298434 | Flake ice dispenser | — | 1988-11-08 |
| D282360 | Intercommunication unit | Hiroshi Yamagata | 1986-01-28 |
| D281500 | Interphone | Hiroshi Yamagata | 1985-11-26 |
| D281501 | Interphone | Hiroshi Yamagata | 1985-11-26 |
| D280097 | Electronic intercommunications unit | Hiroshi Yamagata | 1985-08-13 |
| D278706 | Power control panel | Hiroshi Yamagata | 1985-05-07 |