Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12396092 | Ceramic circuit board and semiconductor device using same | Keiichi Yano, Hiromasa Kato | 2025-08-19 |
| 11973003 | Ceramic metal circuit board and semiconductor device using the same | Keiichi Yano, Hiromasa Kato | 2024-04-30 |
| 11948900 | Bonded body, circuit board, and semiconductor device | Maki Yonetsu, Seiichi Suenaga, Sachiko FUJISAWA | 2024-04-02 |
| 11594467 | Ceramic metal circuit board and semiconductor device using the same | Keiichi Yano, Hiromasa Kato | 2023-02-28 |
| 10952317 | Ceramic circuit board and semiconductor module | Hiromasa Kato, Keiichi Yano | 2021-03-16 |
| 10872841 | Ceramic metal circuit board and semiconductor device using the same | Hiromasa Kato, Noboru Kitamori | 2020-12-22 |
| 10790214 | Circuit substrate and semiconductor device | Hiromasa Kato, Masashi Umehara | 2020-09-29 |
| 10595403 | Ceramic circuit board and semiconductor module | Hiromasa Kato, Keiichi Yano | 2020-03-17 |
| 10515868 | Circuit substrate and semiconductor device | Hiromasa Kato, Masashi Umehara | 2019-12-24 |
| 10366938 | Silicon nitride circuit board and electronic component module using the same | Hiromasa Kato, Noboru Kitamori, Masashi Umehara | 2019-07-30 |
| 10109555 | Silicon nitride circuit board and electronic component module using the same | Hiromasa Kato, Noboru Kitamori, Masashi Umehara | 2018-10-23 |
| 9357643 | Ceramic/copper circuit board and semiconductor device | Keiichi Yano, Hiromasa Kato, Kimiya Miyashita | 2016-05-31 |
| 9214617 | Electronic component module | Hiromasa Kato, Noritaka Nakayama | 2015-12-15 |
| 8916961 | Insulation sheet made from silicon nitride, and semiconductor module structure using the same | — | 2014-12-23 |
| 8518554 | Ceramic metal composite and semiconductor device using the same | Michiyasu Komatsu, Noritaka Nakayama, Hiromasa Kato | 2013-08-27 |
| 8273993 | Electronic component module | Hiromasa Kato, Noritaka Nakayama | 2012-09-25 |
| 6613443 | Silicon nitride ceramic substrate, silicon nitride ceramic circuit board using the substrate, and method of manufacturing the substrate | Michiyasu Komatsu, Haruhiko Yamaguchi, Hideki Yamaguchi | 2003-09-02 |
| 6569514 | Ceramic circuit board and method of manufacturing the same | Haruhiko Yamaguchi | 2003-05-27 |
| 6426154 | Ceramic circuit board | Hiroshi Komorita, Noritaka Nakayama, Kiyoshi Iyogi | 2002-07-30 |
| 6284985 | Ceramic circuit board with a metal plate projected to prevent solder-flow | Nobuyuki Mizunoya | 2001-09-04 |
| 6232657 | Silicon nitride circuit board and semiconductor module | Hiroshi Komorita, Kazuo Ikeda, Michiyasu Komatsu, Yoshitoshi Sato | 2001-05-15 |
| 5807626 | Ceramic circuit board | — | 1998-09-15 |
| 5672848 | Ceramic circuit board | Hiroshi Komorita, Tadashi Tanaka, Takashi Hino | 1997-09-30 |
| 5328751 | Ceramic circuit board with a curved lead terminal | Hiroshi Komorita, Nobuyuki Mizunoya, Kazuo Matsumura, Kazuo Ikeda, Tadashi Tanaka | 1994-07-12 |