Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D297701 | Hot plate | Takehisa Nakagawa, Chikako Hatta | 1988-09-20 |
| D296975 | Electrically heated vacuum bottle | Takehisa Nakagawa, Chikako Hatta | 1988-08-02 |
| D292469 | Toaster oven | Takehisa Nakagawa, Chikako Hatta | 1987-10-27 |