Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637235 | Fridge-freezer | Katsumasa Sakamoto, Keiji Ohya, Naho Misumi | 2003-10-28 |
| 6526766 | Refrigerator and method of operating refrigerator | Keiji Ohya | 2003-03-04 |
| 6405544 | Refrigerator and method of operating refrigerator | Keiji Ohya | 2002-06-18 |
| 6405547 | Refrigerator and method of operating refrigerator | Keiji Ohya | 2002-06-18 |
| 6401481 | Refrigerator and method of operating refrigerator | Keiji Ohya | 2002-06-11 |
| 6314746 | Refrigerator with a freezer compartment and method of using it | Keiji Ohya, Yuki Nagai | 2001-11-13 |
| 6055826 | Refrigerator | Isao Naito, Noriyuki Suda, Mutsumi Kato, Hisashi Matsui, Hiroshige Konishi +1 more | 2000-05-02 |
| 5983654 | Freezer-equipped refrigerator | Kazu Yamamoto, Mutsumi Kato, Katsumasa Sakamoto, Kunihiko Yagi | 1999-11-16 |
| 5527459 | Microbe propagation preventing apparatus | Akira Ikeda, Yasuhiro Tanimura, Naoki Nakatsugawa, Masaaki Tanaka, Hiroshige Konishi +2 more | 1996-06-18 |
| 5484570 | Microbe propagation prenvention method | Akira Ikeda, Yasuhiro Tanimura, Naoki Nakatsugawa, Masaaki Tanaka, Hiroshige Konishi +2 more | 1996-01-16 |
| 5445798 | Microbe propagation preventing apparatus and microbe propagation preventing method | Akira Ikeda, Yasuhiro Tanimura, Naoki Nakatsugawa, Masaaki Tanaka, Hiroshige Konishi +2 more | 1995-08-29 |