Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7571582 | Vacuum heat insulator, method of manufacturing the same, and refrigerator using the same | Yoshihide Hirai, Chie Hirai, Yasuaki Tanimoto, Hiroto Nakama, Yukako Akeyama | 2009-08-11 |
| 7537817 | Vacuum heat insulator and apparatuses using the same | Hiroto Nakama | 2009-05-26 |