Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9356101 | Polycrystalline aluminum nitride base material for crystal growth of GaN-base semiconductor and method for manufacturing GaN-base semiconductor using the same | Noritaka Nakayama, Kentaro Takanami | 2016-05-31 |
| 7263766 | Insulating substrate, manufacturing method thereof, and module semiconductor device with insulating substrate | Yutaka Ishiwata, Kosoku Nagata, Toshio Shimizu, Hiroyuki Hiramoto, Yasuhiko Taniguchi +2 more | 2007-09-04 |
| 6784131 | Silicon nitride wear resistant member and method of manufacturing the member | Michiyasu Komatsu, Hiroki Tonai | 2004-08-31 |
| 6605868 | Insulating substrate including multilevel insulative ceramic layers joined with an intermediate layer | Yutaka Ishiwata, Kosoku Nagata, Toshio Shimizu, Hiroyuki Hiramoto, Yasuhiko Taniguchi +2 more | 2003-08-12 |
| 6485830 | Material for ceramic ball and method of manufacturing ceramic ball | Minoru Takao, Isao Ikeda, Hiroki Tonai | 2002-11-26 |
| 6426154 | Ceramic circuit board | Takayuki Naba, Noritaka Nakayama, Kiyoshi Iyogi | 2002-07-30 |
| 6232657 | Silicon nitride circuit board and semiconductor module | Kazuo Ikeda, Michiyasu Komatsu, Yoshitoshi Sato, Takayuki Naba | 2001-05-15 |
| 6040039 | Silicon nitride circuit board | Kazuo Ikeda, Yoshitoshi Sato, Michiyasu Komatsu, Nobuyuki Mizunoya | 2000-03-21 |
| 5998000 | Silicon nitride circuit board | Kazuo Ikeda, Yoshitoshi Sato, Michiyasu Komatsu, Nobuyuki Mizunoya | 1999-12-07 |
| 5928768 | Silicon nitride circuit board | Kazuo Ikeda, Yoshitoshi Sato, Michiyasu Komatsu, Nobuyuki Mizunoya | 1999-07-27 |
| 5672848 | Ceramic circuit board | Tadashi Tanaka, Takayuki Naba, Takashi Hino | 1997-09-30 |
| 5363278 | Bonded ceramic-metal composite substrate, circuit board constructed therewith and methods for production thereof | Nobuyuki Mizunoya | 1994-11-08 |
| 5328751 | Ceramic circuit board with a curved lead terminal | Nobuyuki Mizunoya, Kazuo Matsumura, Kazuo Ikeda, Takayuki Naba, Tadashi Tanaka | 1994-07-12 |
| 5280850 | Method of manufacturing circuit board | Akihiro Horiguchi, Mitsuo Kasori, Fumio Ueno | 1994-01-25 |
| 5176309 | Method of manufacturing circuit board | Akihiro Horiguchi, Mitsuo Kasori, Fumio Ueno, Mitsuyoshi Endo | 1993-01-05 |
| 5155665 | Bonded ceramic-metal composite substrate, circuit board constructed therewith and methods for production thereof | Nobuyuki Mizunoya | 1992-10-13 |
| 4987677 | Bonded ceramic metal composite substrate, circuit board constructed therewith and methods for production thereof | Tadashi Tanaka, Kazuo Matsumura, Nobuyuki Mizunoya | 1991-01-29 |
| 4959507 | Bonded ceramic metal composite substrate, circuit board constructed therewith and methods for production thereof | Tadashi Tanaka, Kazuo Matsumura, Nobuyuki Mizunoya | 1990-09-25 |
| 4954386 | Joined ceramic-metal composite substrate and method for production thereof | Nobuyuki Mizunoya, Tadashi Tanaka, Kazuo Matsumura | 1990-09-04 |