Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630323 | Refrigerating apparatus | Hirosi Niijima, Takeshi Kawaguchi, Hisao Sagara, Zenichi Kakinuma | 1997-05-20 |
| 5061019 | Heat insulating box structure and manufacturing method therefor | Toshiaki Kubota, Hiroshige Hayashi, Hiroshi Naganuma, Zenichi Kakinuma | 1991-10-29 |
| 5009080 | Low-temperature show case | Hiroshi Naganuma, Kenji Sato, Masashi Yamamoto, Toshiaki Kubota, Hiroshige Hayashi | 1991-04-23 |
| 4872320 | Refrigeration showcase | Hiroshi Naganuma, Kenji Sato, Yuji Kishi, Yoshihisa Ishida, Kiyokazu Goto | 1989-10-10 |