Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5863850 | Process of making zirconia based ceramic material | Masahiro Nawa, Shoichi Nakamoto, Keiichi Yamasaki, Koichi Niihara, Atsushi Nakahira | 1999-01-26 |
| 5854158 | ZrO.sub.2 based ceramic material and method of producing the same | Masahiro Nawa, Shoichi Nakamoto, Koichi Niihara | 1998-12-29 |
| 5728636 | Zirconia based ceramic material | Masahiro Nawa, Shoichi Nakamoto, Keiichi Yamasaki, Koichi Niihara, Atsushi Nakahira | 1998-03-17 |
| 5525560 | Zirconia based composite material and method of manufacturing the same product | Keiichi Yamazaki, Masahiro Nawa, Koichi Niihara, Atsushi Nakahira | 1996-06-11 |
| 5389590 | Method of fabricating a sintered ceramic composite | Masahiro Nawa, Koichi Niihara, Atsushi Nakahira | 1995-02-14 |
| 5296301 | Sintered ceramic-metal composite product and method of fabricating the same | Masahiro Nawa, Koichi Niihara, Atsushi Nakahira | 1994-03-22 |