Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247773 | Cooling storage cabinet | Kazuo Harigai, Zenichi Kakinuma, Daisaburo Kishimoto | 2001-06-19 |
| 5061019 | Heat insulating box structure and manufacturing method therefor | Toshiaki Kubota, Hiroshige Hayashi, Yoshirou Ishizaka, Zenichi Kakinuma | 1991-10-29 |
| 5009080 | Low-temperature show case | Kenji Sato, Masashi Yamamoto, Toshiaki Kubota, Hiroshige Hayashi, Yoshirou Ishizaka | 1991-04-23 |
| 4872320 | Refrigeration showcase | Yoshirou Ishizaka, Kenji Sato, Yuji Kishi, Yoshihisa Ishida, Kiyokazu Goto | 1989-10-10 |