Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935468 | Insulated electrically heated pot and manufacturing method therefor | Masashi Yamada, Seiichi Ito | 1999-08-10 |
| 5712465 | Insulated electrically heated pot and manufacturing method therefor | Masashi Yamada, Seiichi Ito | 1998-01-27 |
| 5638896 | Cold-hot storage box with inert gas insulating jacket | Kunio Matsuda, Masashi Yamada, Seiichi Ito | 1997-06-17 |
| 5596921 | Thermally insulated cooking device | Takeshi Kuwana, Yasuhiko Komiya, Kunio Matsuda | 1997-01-28 |