Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416301 | Cooking appliance with automatic power-off switch | — | 1995-05-16 |
| 4695710 | Electric rice cooker with timer having plural memory areas | Kiyoshi Yamashita, Ryuuho Narita, Masahiro Imai | 1987-09-22 |
| 4687910 | Circuit for controlling and displaying cooking states of a rice cooker | Morio Asahi, Masahiro Imai, Ryuuho Narita | 1987-08-18 |
| 4644137 | Circuit for controlling a rice cooker with power interruption control | Morio Asahi, Ryuuho Narita, Masahiro Imai | 1987-02-17 |
| 4593180 | Electric control apparatus with undervoltage protection | Ryuho Narita | 1986-06-03 |
| 4463249 | Electric rice cooker | Ryuho Narita | 1984-07-31 |
| 4455480 | Rice cooker-warmer | Yukio Matsumoto, Katsuharu Matsuo | 1984-06-19 |
| 4441016 | Electric rice cooker | Hiroyuki Oota, Kenji Yamamori, Ryuho Narita | 1984-04-03 |
| 4438324 | Electric rice cooker | Ryuho Narita, Kenji Yamamori, Hiroyuki Oota | 1984-03-20 |
| 4431906 | Electric rice cooker | Hiroyuki Oota, Ryuho Narita, Kenji Yamamori | 1984-02-14 |
| 4421974 | Electric rice cooker | Hiroyuki Oota, Kenji Yamamori, Ryuho Narita | 1983-12-20 |
| 4362923 | Rice cooker | — | 1982-12-07 |
| 4313051 | Electric rice cooker with twice cooking timer | — | 1982-01-26 |
| 4241288 | Electric rice cooker with two heaters | Tokihiko Ikemizu | 1980-12-23 |
| 4234783 | Electric rice cookers | — | 1980-11-18 |