Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10937939 | Thermoelectric conversion material and thermoelectric conversion element | Yoshihiko Okamoto, Takumi Inohara, Taichi Wada, Yuma Yoshikawa | 2021-03-02 |
| 10676371 | Ruthenium oxide having a negative thermal expansion coefficient, and useable as a thermal expansion inhibitor | Yoshihiko Okamoto, Tsubasa Shinoda, Naruhiro Inoue | 2020-06-09 |
| 7632480 | Thermal expansion inhibitor, zero thermal expansion material, negative thermal expansion material, method for inhibiting thermal expansion, and method for producing thermal expansion inhibitor | Hidenori Takagi | 2009-12-15 |