Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227872 | Single-crystal pulling apparatus and single-crystal pulling method | Kiyotaka Takano, Wataru Yajima, Kosei Sugawara, Hiroyuki Kamada | 2025-02-18 |
| 12188153 | Single-crystal pulling apparatus with saddle-shaped superconducting coils and single-crystal pulling method | Kiyotaka Takano, Kosei Sugawara, Hiroyuki Kamada, Takahide ONAI | 2025-01-07 |
| 12084788 | Method for producing a silicon single crystal doped with nitrogen and having a controlled amount of carbon impurities | Kosei Sugawara, Ryoji Hoshi | 2024-09-10 |
| 9777394 | Method of producing silicon single crystal ingot | Susumu Sonokawa, Wataru Sato, Nobuaki Mitamura | 2017-10-03 |
| 7625732 | Isolated DNA encoding cullin regulators ROC1 and ROC2, isolated proteins encoded by the same, and methods utilizing the same | Yue Xiong | 2009-12-01 |
| 7521334 | Method for producing direct bonded wafer and direct bonded wafer | Norihiro Kobayashi, Toru Ishizuka, Hiroji Aga, Yasuo Nagaoka | 2009-04-21 |
| 7294196 | Silicon single crystal wafer, an epitaxial wafer and a method for producing a silicon single crystal | Masahiro Sakurada, Nobuaki Mitamura, Izumi Fusegawa | 2007-11-13 |
| 7226507 | Method for producing single crystal and single crystal | Nobuaki Mitamura, Izumi Fusegawa, Masahiro Sakurada, Atsushi Ozaki | 2007-06-05 |
| 7201801 | Heater for manufacturing a crystal | Susumu Sonokawa, Ryoji Hoshi, Wataru Sato | 2007-04-10 |
| 7179330 | Method of manufacturing silicon single crystal, silicon single crystal and silicon wafer | Izumi Fusegawa, Sadayuki Okuni, Nobuaki Mitamura, Nobuo Katuoka | 2007-02-20 |
| 7129123 | SOI wafer and a method for producing an SOI wafer | Masahiro Sakurada, Nobuaki Mitamura, Izumi Fusegawa | 2006-10-31 |
| 7078203 | Isolated DNA encoding cullin regulators ROC1 and ROC2, isolated proteins encoded by the same, and methods utilizing the same | Yue Xiong | 2006-07-18 |
| 6913646 | Silicon single crystal wafer and method for producing silicon single crystal | Masahiro Sakurada, Takeshi Kobayashi, Tatsuo Mori, Izumi Fusegawa | 2005-07-05 |
| 6893499 | Silicon single crystal wafer and method for manufacturing the same | Izumi Fusegawa, Koji Kitagawa, Ryoji Hoshi, Masahiro Sakurada | 2005-05-17 |
| 6764548 | Apparatus and method for producing silicon semiconductor single crystal | Ryoji Hoshi, Takahiro Yanagimachi, Izumi Fusegawa, Yuuichi Miyahara, Tetsuya Igarashi | 2004-07-20 |
| 6632280 | Apparatus for growing single crystal, method for producing single crystal utilizing the apparatus and single crystal | Ryoji Hoshi, Koji Kitagawa, Izumi Fusegawa | 2003-10-14 |
| 6632411 | Silicon wafer and method for producing silicon single crystal | Ryoji Hoshi, Izumi Fusegawa, Shigemaru Maeda | 2003-10-14 |
| 6605152 | Catch pan for melt leakage in apparatus for pulling single crystal | Koji Mizuishi | 2003-08-12 |
| 6592662 | Method for preparing silicon single crystal and silicon single crystal | Izumi Fusegawa, Ryoji Hoshi, Kouichi Inokoshi | 2003-07-15 |
| 6565822 | Epitaxial silicon wafer, method for producing the same and subtrate for epitaxial silicon wafer | Ryoji Hoshi, Susumu Sonokawa, Masahiro Sakurada, Izumi Fusegawa | 2003-05-20 |
| 6482260 | Silicon single crystal wafer and a method for producing it | Masahiro Sakurada, Hideki Yamanaka | 2002-11-19 |
| 6423285 | Method for producing silicon single crystal and production apparatus therefor, as well as single crystal and silicon wafer produced by the method | Kirio Itoi, Eiichi Iino, Tohru Ishizuka, Izumi Fusegawa | 2002-07-23 |
| 6190452 | Silicon single crystal wafer and method for producing it | Masahiro Sakurada, Hideki Yamanaka | 2001-02-20 |
| 6156119 | Silicon single crystal and method for producing the same | Ryoji Hoshi, Kouichi Inokoshi | 2000-12-05 |
| 6153009 | Method for producing a silicon single crystal and the silicon single crystal produced thereby | Toshiharu Uesugi, Toshio Hisaichi, Izumi Fusegawa, Tetsuya Igarashi, Tetsuhiro Oda | 2000-11-28 |