Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061665 | Process for producing an improved alumina-zirconia composite sintered material | Ichiro Seki, Toshiki Hasegawa, Minoru Abe, Isao Isa | 1991-10-29 |
| 4829028 | Process for producing an alumina-zirconia composite sintered material | Ichiro Seki, Morinosuke Kano, Akihiko Fujii, Isao Isa | 1989-05-09 |