Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9541452 | Calibration curve formation method, impurity concentration measurement method, and semiconductor wafer manufacturing method | Satoko Nakagawa | 2017-01-10 |
| 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 |
| 7977219 | Manufacturing method for silicon wafer | Hiromichi Isogai, Takeshi Senda, Eiji Toyoda, Kumiko Murayama, Koji Izunome +1 more | 2011-07-12 |
| 7835604 | Fiber Bragg grating element | Yasuo Uemura, Toshiyuki Inukai | 2010-11-16 |
| 7193294 | Semiconductor substrate comprising a support substrate which comprises a gettering site | Reiko Yoshimura, Tsukasa Tada, Koji Izunome | 2007-03-20 |
| 7048796 | Silicon single crystal wafer fabricating method and silicon single crystal wafer | Masayuki Watanabe, Junichi Osanai, Akihiko Kobayashi, Hiroyuki Fujimori | 2006-05-23 |
| 5744401 | Silicon wafer manufacturing method eliminating final mirror-polishing step | Hiroshi Shirai, Jun Yoshikawa, Youji Ogawa, Kazuya Ookubo, Yukari Kohtari +3 more | 1998-04-28 |
| 4910156 | Neutron transmutation doping of a silicon wafer | Shin'ichiro Takasu, Michihiro Ohwa, Eiichi Toji, Kazumoto Homma | 1990-03-20 |