Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247773 | Cooling storage cabinet | Kazuo Harigai, Hiroshi Naganuma, Daisaburo Kishimoto | 2001-06-19 |
| 5630323 | Refrigerating apparatus | Hirosi Niijima, Takeshi Kawaguchi, Hisao Sagara, Yoshirou Ishizaka | 1997-05-20 |
| 5061019 | Heat insulating box structure and manufacturing method therefor | Toshiaki Kubota, Hiroshige Hayashi, Yoshirou Ishizaka, Hiroshi Naganuma | 1991-10-29 |
| 4962865 | Insulating box and a method for its manufacture | Masashi Yamamoto, Katsumi Nakada, Yasuo Noda, Michihisa Hama, Masahiro Nakamura | 1990-10-16 |