Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191403 | High frequency heating cooking apparatus and manufacturing method thereof | Yuji Hayakawa | 2001-02-20 |
| 5048400 | Pressure cooker with sensor | Shigeki Ueda, Kaeko Nishimoto, Hitoshi Kurita, Mitsuo Akiyoshi | 1991-09-17 |
| 4428494 | Easily-openable heat seal lid | Kazumi Hirota, Yotaro Tsutsumi, Senji Itoh, Tadahiko Katsura, Kikuo Matsuoka +1 more | 1984-01-31 |
| 4403710 | Easily-openable heat seal lid | Kazumi Hirota, Yotaro Tsutsumi, Senji Ito, Tadahiko Katsura, Kikuo Matsuoka | 1983-09-13 |
| 4358919 | Method and apparatus of making a hermetically sealed container | Kazumi Hirota, Kikuo Matsuoka | 1982-11-16 |