Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9869034 | Silicon single crystal pulling apparatus comprising a vertically movable supporting member holding the heater and shield | Atsushi Iwasaki | 2018-01-16 |
| 9422635 | Single crystal production apparatus and single crystal production method having pedestal with grooves | Atsushi Iwasaki, Susumu Sonokawa | 2016-08-23 |
| 5888298 | Member-handling mechanism, and member-handling jig for a crystal pulling apparatus | Takahiro Yanagimachi, Satoshi Soeta, Atsushi Iwasaki | 1999-03-30 |
| 5887015 | Heater mechanism for crystal pulling apparatus | Nobuaki Mitamura, Toshiharu Uesugi, Atsushi Iwasaki | 1999-03-23 |
| 5248378 | Method and apparatus for producing silicon single crystal | Tetsuhiro Oda, Izumi Fusegawa, Hirotoshi Yamagishi, Atsushi Iwasaki, Akiho Maeda +2 more | 1993-09-28 |