Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189274 | Heating method for microwave oven having heat element | Hideki Yamaguchi, Masahiro Nitta | 1993-02-23 |
| 5082999 | Microwave oven having device for preventing concentration of microwaves on heater element | Hideki Yamaguchi, Masahiro Nitta | 1992-01-21 |