Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868359 | Radiation sealed door in a microwave heating apparatus | Koji Iwabuchi, Tetsuo Kubota, Yukio Tanaka | 1989-09-19 |
| 4845327 | Microwave oven having automatic bread making function | Koji Iwabuchi, Noriyuki Kanagawa, Mituhiro Aoyama, Katsuhiro Yamazaki, Kazuo Kaneko | 1989-07-04 |