Issued Patents 1989
Showing 1–2 of 2 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 | Mamoru Watanabe, Takayoshi Sasaki, Yoshito Onoda, Tadashi Ohachi, Takefumi Mitsuhashi | 1989-04-04 |
| 4810439 | Process for producing potassium hexatitanate fibers | Takefumi Mitsuhashi | 1989-03-07 |