Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9440887 | Silicon nitride sintered body and wear resistant member using the same | Kai FUNAKI, Haruhiko Yamaguti, Katsuyuki Aoki | 2016-09-13 |
| 8518554 | Ceramic metal composite and semiconductor device using the same | Takayuki Naba, Noritaka Nakayama, Hiromasa Kato | 2013-08-27 |
| 8133830 | Silicon nitride sintered compact and sliding member using the same | Minoru Takao | 2012-03-13 |
| 7662736 | High thermally conductive aluminum nitride sintered product | Kimiya Miyashita | 2010-02-16 |
| 7521388 | Wear resistant member comprised of silicon nitride and process for producing the same | Minoru Takao | 2009-04-21 |
| 7479467 | High thermally conductive aluminum nitride sintered product | Kimiya Miyashita | 2009-01-20 |
| 7192899 | Silicon nitride sintered body having high heat conductivity and silicon nitride structural element | — | 2007-03-20 |
| 7151066 | Silicon nitride anti-wear member and process for producing the same | Kimiya Miyashita | 2006-12-19 |
| 7056850 | Wear-resistant silicon nitride member and method of manufacture thereof | — | 2006-06-06 |
| 6797660 | Silicon nitride wear resistant member and manufacturing method thereof | — | 2004-09-28 |
| 6784131 | Silicon nitride wear resistant member and method of manufacturing the member | Hiroki Tonai, Hiroshi Komorita | 2004-08-31 |
| 6642165 | Wear resistant member for electronic equipment, and bearing and spindle motor therewith | Kimiya Miyashita, Hisao Yabe, Minoru Takao, Yukihiro Takenami, Yoshiyuki Fukuda +1 more | 2003-11-04 |
| 6613443 | Silicon nitride ceramic substrate, silicon nitride ceramic circuit board using the substrate, and method of manufacturing the substrate | Haruhiko Yamaguchi, Takayuki Naba, Hideki Yamaguchi | 2003-09-02 |
| 6475940 | Wear resistant member for electronic equipment and bearing and spindle motor therewith | Yukihiro Takenami, Isao Ikeda, Minoru Takao, Hiroki Tonai, Yoshiyuki Fukuda +1 more | 2002-11-05 |
| 6242374 | High thermal conductive silicon nitride sintered body and method of producing the same | — | 2001-06-05 |
| 6232657 | Silicon nitride circuit board and semiconductor module | Hiroshi Komorita, Kazuo Ikeda, Yoshitoshi Sato, Takayuki Naba | 2001-05-15 |
| 6040039 | Silicon nitride circuit board | Kazuo Ikeda, Hiroshi Komorita, Yoshitoshi Sato, Nobuyuki Mizunoya | 2000-03-21 |
| 5998000 | Silicon nitride circuit board | Kazuo Ikeda, Hiroshi Komorita, Yoshitoshi Sato, Nobuyuki Mizunoya | 1999-12-07 |
| 5928768 | Silicon nitride circuit board | Kazuo Ikeda, Hiroshi Komorita, Yoshitoshi Sato, Nobuyuki Mizunoya | 1999-07-27 |
| 5767028 | Aluminum nitride sintered body and method for manufacturing the same | Takao Shirai | 1998-06-16 |
| 5763344 | Aluminum nitride sintered body and method of manufacturing the same | — | 1998-06-09 |
| 5744410 | High thermal conductive silicon nitride sintered body, method of producing the same and press-contacted body | Kazuo Ikeda, Nobuyuki Mizunoya, Yoshitoshi Sato, Tatsuya Imaizumi, Kazuyuki Kondo | 1998-04-28 |
| 5698896 | High thermal conductive silicon nitride structural member, semiconductor package, heater and thermal head | Yoshitoshi Sato, Katsuhiro Shinosawa, Mineyuki Yamaga | 1997-12-16 |
| 5635431 | Silicon nitride-based sinter | Isao Ikeda | 1997-06-03 |
| 5508240 | Aluminum nitride sintered body and method for manufacturing the same | Takao Shirai | 1996-04-16 |