Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46275 | Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production | Jackie Y. Ying, Edward S. Ahn | 2017-01-17 |
| 8168157 | Production method of fine particle zinc oxide powder and cosmetics containing the same | Shoichiro Shio, HIDEAKI MURASE | 2012-05-01 |
| RE41584 | Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production | Jackie Y. Ying, Edward S. Ahn | 2010-08-24 |
| RE39196 | Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production | Jackie Y. Ying, Edward S. Ahn | 2006-07-18 |
| 6013591 | Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production | Jackie Y. Ying, Edward S. Ahn | 2000-01-11 |
| 5863850 | Process of making zirconia based ceramic material | Masahiro Nawa, Shoichi Nakamoto, Keiichi Yamasaki, Koichi Niihara, Tohru SEKINO | 1999-01-26 |
| 5728636 | Zirconia based ceramic material | Masahiro Nawa, Shoichi Nakamoto, Keiichi Yamasaki, Koichi Niihara, Tohru SEKINO | 1998-03-17 |
| 5525560 | Zirconia based composite material and method of manufacturing the same product | Keiichi Yamazaki, Masahiro Nawa, Koichi Niihara, Tohru SEKINO | 1996-06-11 |
| 5389590 | Method of fabricating a sintered ceramic composite | Masahiro Nawa, Koichi Niihara, Tohru SEKINO | 1995-02-14 |
| 5376599 | Carbon fiber reinforced silicon nitride based nanocomposite material and method for preparing same | Kenji Oshima, Tsugio Ito, Yoshitsugu Kato, Koichi Niihara, Misao Iwata | 1994-12-27 |
| 5296301 | Sintered ceramic-metal composite product and method of fabricating the same | Masahiro Nawa, Koichi Niihara, Tohru SEKINO | 1994-03-22 |
| 5173459 | Si.sub.3 N.sub.4 -A1.sub.2 O.sub.3 composite sintered bodies and method of producing the same | Koichi Niihara, Toshio Hirai | 1992-12-22 |
| 4889834 | SiC-Al.sub.2 O.sub.3 composite sintered bodies and method of producing the same | Koichi Niihara | 1989-12-26 |
| 4889835 | SiC-Al.sub.2 O.sub.3 composite sintered bodies and method of producing the same | Koichi Niihara | 1989-12-26 |