Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305088 | Microwave oven | Masayoshi Kubo, Hisayoshi Matoba, Masuo Ichihara, Kensuke Mizuma | 1989-12-19 |
| D305087 | Microwave oven | Masuo Ichihara, Kensuke Mizuma, Masayoshi Kubo, Hisayoshi Matoba | 1989-12-19 |
| D304150 | Microwave oven | Masayoshi Kubo, Masuo Ichihara, Kensuke Mizuma, Hisayoshi Matoba | 1989-10-24 |
| D302372 | Microwave oven | Kensuke Mizuma, Masayoshi Kubo, Masuo Ichihara, Hisayoshi Matoba | 1989-07-25 |
| D302227 | Microwave oven | Masayoshi Kubo, Kensuke Mizuma, Hisayoshi Matoba, Masuo Ichihara | 1989-07-18 |
| D302226 | Microwave oven | Masayoshi Kubo, Kensuke Mizuma, Masuo Ichihara, Hisayoshi Matoba | 1989-07-18 |
| D300898 | Microwave oven | Masayoshi Kubo, Masuo Ichihara, Hisayoshi Matoba, Kensuke Mizuma | 1989-05-02 |