Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473210 | Heat shielding member, single crystal pulling apparatus, and method of producing single crystal silicon ingot | Kaoru Kajiwara, Ryota Suewaka, Kazumi Tanabe | 2022-10-18 |
| 8801854 | Method for evaluating metal contamination of silicon single crystal | — | 2014-08-12 |
| 8475589 | Method for evaluating metal contamination of silicon single crystal | — | 2013-07-02 |
| 6514335 | High-quality silicon single crystal and method of producing the same | Kazuyuki Egashira, Masahiko Okui, Manabu Nishimoto, Tadami Tanaka, Takayuki Kubo +3 more | 2003-02-04 |
| 6258163 | Method for producing silicon single crystal | — | 2001-07-10 |