Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |