Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818735 | Tetragonal system tunnel-structured compound AX(GA8MYGA(8+X)-YTI16-X0 56), and cation conductor and heat insulating material composed thereof | Yoshinori Fujiki, Mamoru Watanabe, Takayoshi Sasaki, Tadashi Ohachi, Takefumi Mitsuhashi | 1989-04-04 |