Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365879 | Wafer holder for semiconductor manufacturing apparatus | Akira Kuibira | 2002-04-02 |
| 6294275 | Aluminum-nitride sintered body, method for fabricating the same, and semiconductor substrate comprising the same | Masuhiro Natsuhara, Yasuhisa Yushio, Motoyuki Tanaka, Shunji Nagao, Akira Shinkoda +1 more | 2001-09-25 |
| 6271163 | Aluminum nitride sintered body and method of preparing the same | Yasuhisa Yushio, Kazutaka Sasaki, Masuhiro Natsuhara, Motoyuki Tanaka, Yasuhiro Murase | 2001-08-07 |
| 6261703 | Copper circuit junction substrate and method of producing the same | Kazutaka Sasaki | 2001-07-17 |
| 6174614 | Sintered aluminum nitride body and metallized substrate prepared therefrom | Yasuhisa Yushio, Kazutaka Sasaki, Masuhiro Natsuhara, Motoyuki Tanaka | 2001-01-16 |
| 6122170 | Power module board and power module using the board | Yoshiyuki Hirose, Kazutaka Sasaki, Mitsuru Shimazu | 2000-09-19 |
| 6084221 | Aluminum nitride heater | Masuhiro Natsuhara, Yasuhisa Yushio | 2000-07-04 |
| 6078027 | Ceramic fixing heater containing silicon nitride | Masuhiro Natsuhara, Yasuhisa Yushio | 2000-06-20 |
| 6049064 | Heat fixing device for fixing a toner image | Masuhiro Natsuhara | 2000-04-11 |
| 5998043 | Member for semiconductor device using an aluminum nitride substrate material, and method of manufacturing the same | Kazutaka Sasaki, Akira Sasame, Mitsunori Kobayashi | 1999-12-07 |
| 5955148 | Aluminium nitride ceramics and method for preparing the same | Kouhei Shimoda, Kazuya Kamitake, Kazutaka Sasaki, Masuhiro Natsuhara, Harutoshi Ukegawa | 1999-09-21 |
| 5732318 | Heater and heating/fixing unit comprising the same | Masuhiro Natsuhara | 1998-03-24 |
| 5679469 | Metallized ceramic substrate having smooth plating layer and method for producing the same | Kouhei Shimoda | 1997-10-21 |
| 5677052 | Aluminum nitride ceramics and method for preparing the same | Kouhei Shimoda, Kazuya Kamitake, Kazutaka Sasaki, Masuhiro Natsuhara, Harutoshi Ukegawa | 1997-10-14 |
| 5312787 | Ceramics composite material and method of producing the same | Kiyoshi Uchida, Yukio Shimokawa, Hiroshi Nomura, Masaya Miyake | 1994-05-17 |
| 5190895 | Ceramics composite material | Kiyoshi Uchida, Yukio Shimokawa, Hiroshi Nomura, Masaya Miyake | 1993-03-02 |
| 5023147 | Ceramics-metal jointed body | Takao Nishioka, Nobuya Oooka, Kenya Motoyoshi | 1991-06-11 |
| 4999144 | Pressure self-combustion sintering method | Yoshinari Miyamoto | 1991-03-12 |