Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207981 | Heat reserving materials usuable at very low temperatures | Yasuhiro Hanaue, Takuo Takeshita, Kouichi Ishiyama, Masashi Nagao, Takashi Inaguchi +1 more | 1993-05-04 |