Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637235 | Fridge-freezer | Katsumasa Sakamoto, Toshie Hiraoka, Naho Misumi | 2003-10-28 |
| 6526766 | Refrigerator and method of operating refrigerator | Toshie Hiraoka | 2003-03-04 |
| 6432875 | Thermal recording material | Mitsuo Akutsu, Nobuhide Tominaga, Koichi Shigeno, Takahiro Mori | 2002-08-13 |
| 6405547 | Refrigerator and method of operating refrigerator | Toshie Hiraoka | 2002-06-18 |
| 6405544 | Refrigerator and method of operating refrigerator | Toshie Hiraoka | 2002-06-18 |
| 6401481 | Refrigerator and method of operating refrigerator | Toshie Hiraoka | 2002-06-11 |
| 6314746 | Refrigerator with a freezer compartment and method of using it | Toshie Hiraoka, Yuki Nagai | 2001-11-13 |
| 4734666 | Microwave apparatus having coaxial waveguide partitioned by vacuum-tight dielectric plate | Yoshio Kawakami | 1988-03-29 |