Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5817274 | Method of manufacturing aluminum nitride | Hiroaki Kotaka, Hidenori Yamaoka, Masahiro Ando, Mikiya Fujii, Hiroyuki Terada +1 more | 1998-10-06 |
| 5479873 | Method of manufacturing aluminum borate whiskers having a reformed surface based upon gamma alumina | Yoshitomo Shintani, Tetsuya Suganuma, Hajime Saito, Hidenori Yamaoka, Nobuhisa Kurono +1 more | 1996-01-02 |
| 5207992 | Silicon single crystal pulling-up apparatus | Kazuo Ito, Masayuki Saito | 1993-05-04 |
| 5098675 | Silicon single crystal pull-up apparatus | Kazuo Ito, Masayuki Saito, Yoshihisa Wada, Yukifumi Sakai | 1992-03-24 |
| 5087490 | Method for making an impregnated ceramic material | Kazuo Ito, Yasumi Sasaki | 1992-02-11 |
| 4963396 | Method for making an impregnated ceramic material | Kazuo Ito, Yasumi Sasaki | 1990-10-16 |
| 4904515 | Heat-treatment member for semiconductor elements | Yoshinobu Tanada, Yasumi Sasaki | 1990-02-27 |
| 4673435 | Alumina composite body and method for its manufacture | Masayoshi Yamaguchi, Kazunori Meguro, Yasumi Sasaki | 1987-06-16 |
| 4670320 | Alumina formed body and method for its manufacture | Masayoshi Yamaguchi, Kazunori Meguro, Yasumi Sasaki | 1987-06-02 |
| 4515755 | Apparatus for producing a silicon single crystal from a silicon melt | Yasuhiro Imanishi, Hideo Nagashima, Masaharu Watanabe, Toshiro Usami, Hisashi Muraoka | 1985-05-07 |