Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371813 | Silicon wafer and method for producing silicon wafer | Takashi Ishikawa, Koji Izunome, Hisashi Matsumura, Tatsuhiko Aoki, Shoji Ikeda +2 more | 2025-07-29 |
| 11162191 | Thermal processing method for silicon wafer | Susumu Maeda, Hironori Banba, Hideyuki Okamura, Koji Araki, Koji Sueoka +1 more | 2021-11-02 |
| 11060983 | Evaluation method of silicon wafer | Nobue Araki, Kazuki Okabe, Koji Araki | 2021-07-13 |
| 10648101 | Silicon wafer | Susumu Maeda, Hironori Banba, Hideyuki Okamura, Koji Araki, Koji Sueoka +1 more | 2020-05-12 |
| 10141180 | Silicon wafer and method for manufacturing the same | Koji Araki, Tatsuhiko Aoki, Takeshi Senda | 2018-11-27 |
| 8999864 | Silicon wafer and method for heat-treating silicon wafer | Takeshi Senda, Hiromichi Isogai, Eiji Toyoda, Koji Araki, Tatsuhiko Aoki +4 more | 2015-04-07 |
| 8476149 | Method of manufacturing single crystal silicon wafer from ingot grown by Czocharlski process with rapid heating/cooling process | Hiromichi Isogai, Takeshi Senda, Eiji Toyoda, Kumiko Murayama, Koji Izunome +7 more | 2013-07-02 |
| 8399341 | Method for heat treating a silicon wafer | Takeshi Senda, Hiromichi Isogai, Eiji Toyoda, Kumiko Murayama, Koji Araki +4 more | 2013-03-19 |
| 8252700 | Method of heat treating silicon wafer | Takeshi Senda, Hiromichi Isogai, Eiji Toyoda, Kumiko Murayama, Koji Araki +4 more | 2012-08-28 |
| 5058975 | Fiber optic mixing device | — | 1991-10-22 |