Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11097987 | Production method of calcium carbonate porous sintered body | Masahiko Tajika, Shota Umemoto | 2021-08-24 |
| 7381362 | Production method for ceramic porous material | Hideo Uemoto, Kazuhide Kawai, Takashi Matsuyama | 2008-06-03 |
| 7175911 | Titanium dioxide fine particles and method for producing the same, and method for producing visible light activatable photocatalyst | Zhonghua Zhou, Fumio Tokuoka, Yugo Ito, Tatsuya Ishii, Hiroshi Yamaguchi +1 more | 2007-02-13 |
| 6861122 | Ceramic member with fine protrusions on surface and method of producing the same | Kazuhide Kawai, Makoto Takahashi, Hiroaki Shitara, Fumio Tokuoka, Masahiko Ichishima +3 more | 2005-03-01 |
| 5834108 | Multi-layered ceramic porous body | Koichi Imura, Ichiro Shibata, Kenichi Okamoto, Akiko Niizuma, Tadayoshi Muto | 1998-11-10 |
| 5762841 | Ceramic porous body having a continuous particle size distribution | Koichi Imura, Kenichi Okamoto, Koichi Shiraishi, Kuniko Ando | 1998-06-09 |
| 5405529 | Ceramic filter and manufacturing method therefor | Koichi Imura, Kenichi Okamoto, Tadayoshi Muto | 1995-04-11 |
| 5089134 | Silica glass filter | Kuniko Ando, Koichi Shiraishi, Masaru Shimbo | 1992-02-18 |
| 4862030 | Piezo-electric device | Katsunori Yokoyama, Yukio Sato | 1989-08-29 |
| 4824035 | Cage mill | Sousuke Naito, Hidekazu Takahashi, Toshio Watanabe, Yasuji Otsuka | 1989-04-25 |
| 4799601 | Translucent alumina ceramic tube and a process for making same | Yoshio Saito, Yawara Ando, Takashi Koseki | 1989-01-24 |
| 4769570 | Piezo-electric device | Katsunori Yokoyama, Yukio Sato | 1988-09-06 |