Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194668 | Multi-layer circuit board | Yukiharu Takeuchi, Eiji Yoda | 2001-02-27 |
| 6093476 | Wiring substrate having vias | Yukiharu Takeuchi | 2000-07-25 |
| 6084295 | Semiconductor device and circuit board used therein | Hidemi Akada | 2000-07-04 |
| 5997999 | Sintered body for manufacturing ceramic substrate | Yukiharu Takeuchi, Yoichi Harayama | 1999-12-07 |
| 5943212 | Ceramic circuit board and semiconductor device using same | Shigetsugu Muramatsu, Ryuichi Matsuki | 1999-08-24 |
| 5919546 | Porous ceramic impregnated wiring body | Yukiharu Takeuchi | 1999-07-06 |
| 5737191 | Structure and process for mounting semiconductor chip | Yoichi Harayama | 1998-04-07 |
| 5733640 | Fired body for manufacturing a substrate | Yukiharu Takeuchi, Yoichi Harayama | 1998-03-31 |
| 5702807 | Ceramic circuit board and manufacturing method thereof | Yoichi Harayama | 1997-12-30 |
| 5683791 | Ceramic oxide circuit board | Yoichi Harayama | 1997-11-04 |
| 5604018 | Ceramic oxide circuit board | Yoichi Harayama | 1997-02-18 |
| 5602059 | Semiconductor device and method for manufacturing same | Yoichi Harayama | 1997-02-11 |
| 5464950 | Aluminum nitride circuit board and method of producing same | Yoichi Harayama, Koishiro Hayashi | 1995-11-07 |
| 5294576 | Mullite ceramic compound | Kihou Mizushima | 1994-03-15 |
| 5229213 | Aluminum nitride circuit board | Yoichi Harayama, Yukiharu Takeuchi | 1993-07-20 |
| 4963514 | Ceramic mullite-silica glass composite | Tsuyoshi Machii | 1990-10-16 |
| 4935390 | Mullite-based ceramic body | Kihou Mizushima, Shoichi Iwai | 1990-06-19 |
| 4827082 | Ceramic package | Kihou Mizushima | 1989-05-02 |