Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7833924 | Yttrium oxide-containing material, component of semiconductor manufacturing equipment, and method of producing yttrium oxide-containing material | Yoshimasa Kobayashi, Yuji Katsuda, Hiroaki Sakai, Tadachika Nakayama | 2010-11-16 |
| 7323432 | Catalyst assembly | Tadachika Nakayama, Jun Hasegawa, Miho Ito | 2008-01-29 |
| 6787500 | Catalyst particles and method of manufacturing the same | Miho Ito, Jun Hasegawa, Tadachika Nakayama | 2004-09-07 |
| 6558577 | Deformable conductive elastomer and manufacturing method thereof | Yong Ho Choa, Manwar Hussain, Hiroshi Nishida, Yoshiyuki Hamahashi, Kotaro KAWAHARA | 2003-05-06 |
| 6313051 | Method for manufacture of composite fiber | Atsuya Towata, Mutsuo Sando | 2001-11-06 |
| 6054094 | Method for manufacture composite fiber | Atsuya Towata, Mutsuo Sando | 2000-04-25 |
| 5863850 | Process of making zirconia based ceramic material | Masahiro Nawa, Shoichi Nakamoto, Keiichi Yamasaki, Atsushi Nakahira, Tohru SEKINO | 1999-01-26 |
| 5854158 | ZrO.sub.2 based ceramic material and method of producing the same | Masahiro Nawa, Shoichi Nakamoto, Tohru SEKINO | 1998-12-29 |
| 5854157 | Ceramic composite | Hae Jin Hwang, Masaki Yasuoka, Mutsuo Sando, Toru Nagai | 1998-12-29 |
| 5759460 | Ceramic porous bodies and method of producing the same | Akira Yamakawa | 1998-06-02 |
| 5750449 | Ceramic porous bodies and method of producing the same | Akira Yamakawa | 1998-05-12 |
| 5728636 | Zirconia based ceramic material | Masahiro Nawa, Shoichi Nakamoto, Keiichi Yamasaki, Atsushi Nakahira, Tohru SEKINO | 1998-03-17 |
| 5686366 | Process for producing platelet .alpha.-Al.sub.2 O.sub.3 based ceramic composite | Takashi Koyama | 1997-11-11 |
| 5637269 | Process for forming a sintered composite boron carbide body | — | 1997-06-10 |
| 5585055 | Method of manufacturing a composite ceramics sintered body | Masashi Yoshimura | 1996-12-17 |
| 5525560 | Zirconia based composite material and method of manufacturing the same product | Keiichi Yamazaki, Masahiro Nawa, Atsushi Nakahira, Tohru SEKINO | 1996-06-11 |
| 5459111 | Composite ceramics sintered body | Masashi Yoshimura | 1995-10-17 |
| 5418196 | Sintered composite boron carbide body and production process thereof | — | 1995-05-23 |
| 5403795 | Platelet .alpha.-Al.sub.2 O.sub.3 based ceramic composite | Takashi Koyama | 1995-04-04 |
| 5389590 | Method of fabricating a sintered ceramic composite | Masahiro Nawa, Atsushi Nakahira, 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, Atsushi Nakahira, Misao Iwata | 1994-12-27 |
| 5322823 | Ceramic composites and process for its production | Hisao Ueda, Ryuichi Matsuki, Takeyoshi Takenouchi, Hiroshi Sasaki | 1994-06-21 |
| 5296301 | Sintered ceramic-metal composite product and method of fabricating the same | Masahiro Nawa, Atsushi Nakahira, 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 | Atsushi Nakahira, Toshio Hirai | 1992-12-22 |
| 5134097 | Silicon nitride-silicon carbide composite material and process for production thereof | Kansei Izaki, Takamasa Kawakami | 1992-07-28 |