Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8821636 | Single-crystal manufacturing apparatus | Takao Abe, Kouzou Yokota | 2014-09-02 |
| 6458201 | Apparatus for producing single crystals and method for producing single crystals | Kouji Kitagawa | 2002-10-01 |
| 5938841 | Device for producing a single crystal | Kouji Kitagawa, Masahiko Urano, Kenji Araki, Eiichi Iino, Izumi Fusegawa | 1999-08-17 |
| 5900058 | Apparatus for producing single crystal | Atsushi Iwasaki | 1999-05-04 |
| 5879451 | Apparatus for measuring weight of crystal being pulled | — | 1999-03-09 |
| 5833750 | Crystal pulling apparatus | Shigemaru Maeda | 1998-11-10 |
| 5126113 | Apparatus for producing czochralski-grown single crystals | Hirotoshi Yamagishi, Fumihiko Hasegawa | 1992-06-30 |
| 4916955 | Crystal ingot lifting load measuring device | Nobuo Katsuoka, Yoshihiro Hirano, Kenichi Sato, Seiichiro Otsuka | 1990-04-17 |
| 4886647 | Supporting apparatus for semiconductor crystal rod | Yasuhiro Ikeda | 1989-12-12 |