Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258675 | Method of producing a silicon single crystal based on concentration profiles of vacancies and interstitial silicon atoms during pulling of a silicon single crystal by the Czochralski process | — | 2025-03-25 |
| 11473210 | Heat shielding member, single crystal pulling apparatus, and method of producing single crystal silicon ingot | Kaoru Kajiwara, Shunji Kuragaki, Kazumi Tanabe | 2022-10-18 |
| 10920339 | Silicon single crystal pulling condition calculation program, silicon single crystal hot zone improvement method, and silicon single crystal growing method | — | 2021-02-16 |
| 10724150 | Method of manufacturing silicon single crystal | Kaoru Kajiwara, Hideki Tanaka, Takahiro KANEHARA | 2020-07-28 |
| RE47988 | Semiconductor device and method for manufacturing the same | Yoshitaka Nakamura, Kenji Komeda, Noriaki Ikeda | 2020-05-12 |
| RE46882 | Semiconductor device and method for manufacturing the same | Yoshitaka Nakamura, Kenji Komeda, Noriaki Ikeda | 2018-05-29 |
| 8188529 | Semiconductor device and method for manufacturing the same | Yoshitaka Nakamura, Kenji Komeda, Noriaki Ikeda | 2012-05-29 |
| 7875116 | Silicon single crystal producing method, annealed wafer, and method of producing annealed wafer | Shinya Sadohara, Shiro Yoshino, Kozo Nakamura, Yutaka Shiraishi, Syunji Nonaka | 2011-01-25 |
| 7226506 | Single crystal silicon producing method, single crystal silicon wafer producing method, seed crystal for producing single crystal silicon, single crystal silicon ingot, and single crystal silicon wafer | Tetsuhiro Iida, Yutaka Shiraishi, Junsuke Tomioka | 2007-06-05 |