Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028498 | Single crystal pulling apparatus including a dopant supplying means having a tube with a plurality of blowing ports | Kazuya Nakagawa | 2021-06-08 |
| 9885122 | Method of manufacturing silicon single crystal | Shinji Nakano | 2018-02-06 |
| 9809901 | Method for manufacturing silicon single crystal | Shinji Nakano, Kouichi Ikeda | 2017-11-07 |
| 8652254 | Method for pulling silicon single crystal | Masahiro Mori | 2014-02-18 |
| 8236104 | Single-crystal manufacturing apparatus and single-crystal manufacturing method | Toshifumi Fujii | 2012-08-07 |
| 7258744 | Graphite heater for producing single crystal, apparatus for producing single crystal, and method for producing single crystal | Masahiro Sakurada, Izumi Fusegawa, Makoto Iida | 2007-08-21 |
| 6280522 | Quartz glass crucible for pulling silicon single crystal and production process for such crucible | Hiroyuki Watanabe, Hiroyuki Miyazawa, Tatsuhiro Sato, Tetsuya Igarashi | 2001-08-28 |
| 5972106 | Device and method for producing single crystal | Tomohiko Ohta, Susumu Sonokawa, Yoshihiro Kodama | 1999-10-26 |
| 5888298 | Member-handling mechanism, and member-handling jig for a crystal pulling apparatus | Takahiro Yanagimachi, Atsushi Iwasaki, Shinobu Takeyasu | 1999-03-30 |
| 5851287 | Seed crystal holder | — | 1998-12-22 |