Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094043 | Method for producing single crystal with reduced number of crystal defects | Shou Takashima, Atsushi Iwasaki | 2018-10-09 |
| 9863060 | Method for manufacturing single crystal | Shou Takashima, Yasuhiko Sawazaki, Atsushi Iwasaki | 2018-01-09 |
| 9234296 | Apparatus having heat insulating cylinder with step portion for manufacturing semiconductor single crystal | Shou Takashima, Atsushi Iwasaki, Nobuaki Mitamura, Susumu Sonokawa | 2016-01-12 |
| 8343275 | Single crystal growth method and single crystal pulling apparatus for improving yield and productivity of single crystal | Atsushi Iwasaki, Tetsuhiro Oda | 2013-01-01 |
| 8083852 | Single crystal growth method and single crystal pulling apparatus | Kosei Sugawara, Ryoji Hoshi, Masanori Takazawa, Atsushi Iwasaki | 2011-12-27 |
| 6764548 | Apparatus and method for producing silicon semiconductor single crystal | Ryoji Hoshi, Takahiro Yanagimachi, Izumi Fusegawa, Tomohiko Ohta, Tetsuya Igarashi | 2004-07-20 |