Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939824 | Exhaust emission control device and method of manufacturing the same | Syoji Nakagama, Tomohiko Ihara | 2005-09-06 |
| 6696103 | Aluminium nitride ceramics and method for preparing the same | Kazuya Kamitake, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara, Harutoshi Ukegawa | 2004-02-24 |
| 6231817 | Exhaust emission control device and method of manufacturing the same | Syoji Nakagama, Tomohiko Ihara | 2001-05-15 |
| 5955148 | Aluminium nitride ceramics and method for preparing the same | Kazuya Kamitake, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara, Harutoshi Ukegawa | 1999-09-21 |
| 5679469 | Metallized ceramic substrate having smooth plating layer and method for producing the same | Hirohiko Nakata | 1997-10-21 |
| 5677052 | Aluminum nitride ceramics and method for preparing the same | Kazuya Kamitake, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara, Harutoshi Ukegawa | 1997-10-14 |
| 5306679 | Heat conductive colored aluminum nitride sintered body | Takao Maeda, Kouichi Sogabe, Masaya Miyake | 1994-04-26 |
| 5294388 | Heat conductive colored aluminum nitride sintered body and method of preparing the same | Takao Maeda, Kouichi Sogahe, Masaya Miyake | 1994-03-15 |
| 5147832 | Thermal conductive colored aluminum nitride sintered body and method of preparing the same | Takao Maeda, Kouichi Sogabe, Masaya Miyake | 1992-09-15 |