Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8151584 | Refrigeration system | Shigeto Tanaka | 2012-04-10 |
| 7886549 | Refrigeration system | Shigeto Tanaka | 2011-02-15 |
| 7788937 | Refrigeration system | Takashi Sugimoto, Shigeto Tanaka | 2010-09-07 |