Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534190 | Substrate material for mounting a semiconductor device, substrate for mounting a semiconductor device, semiconductor device, and method of producing the same | Shinichi Yamagata, Yugaku Abe, Makoto Imamura, Yoshishige Takano, Takatoshi Takikawa +1 more | 2003-03-18 |
| 6507105 | Member for semiconductor device and method for producing the same | Shin-ichi Yamagata, Osamu Suwata, Chihiro Kawai, Yoshinobu Takeda | 2003-01-14 |
| 6388273 | Substrate material for mounting a semiconductor device, substrate for mounting a semiconductor device, semiconductor device, and method of producing the same | Shinichi Yamagata, Yugaku Abe, Makoto Imamura, Yoshishige Takano, Takatoshi Takikawa +1 more | 2002-05-14 |
| 6280496 | Silicon carbide based composite material and manufacturing method thereof | Chihiro Kawai, Shin-ichi Yamagata, Yoshinobu Takeda | 2001-08-28 |
| 6183874 | Substrate material for mounting a semiconductor device, substrate for mounting a semiconductor device, semiconductor device, and method of producing the same | Shinichi Yamagata, Yugaku Abe, Makoto Imamura, Yoshishige Takano, Takatoshi Takikawa +1 more | 2001-02-06 |
| 6123895 | Aluminum base member for semiconductor device containing a nitrogen rich surface and method for producing the same | Shin-ichi Yamagata, Osamu Suwata, Chihiro Kawai, Yoshinobu Takeda | 2000-09-26 |
| 5990548 | Plate type member for semiconductor device package and package | Mitsunori Kobayashi, Kouichi Takashima | 1999-11-23 |
| 5876027 | Sheet bundle folding apparatus | Yoshihiko Kitahara | 1999-03-02 |
| 5001759 | Method and apparatus for speech coding | — | 1991-03-19 |
| 4873723 | Method and apparatus for multi-pulse speech coding | Kouichi Shibagaki | 1989-10-10 |
| 4797931 | Audio frequency signal identification apparatus | Yasuo Furukawa, Katsuyuki Yamazaki, Takemi Hosaka | 1989-01-10 |
| 4457780 | Electric contact materials | Mitsuo Osada, Nobuhito Kuroishi, Yoshinari Amano | 1984-07-03 |