Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11264241 | Semiconductor substrate, semiconductor element and method for producing semiconductor substrate | Akito Kuramata, Shinya Watanabe, Kohei Sasaki, Naoki Hatta, Masataka Higashiwaki +1 more | 2022-03-01 |
| 10934634 | Polycrystalline SiC substrate and method for manufacturing same | Motoki Kobayashi | 2021-03-02 |
| 9773678 | Semiconductor substrate and method for manufacturing semiconductor substrate | Ko IMAOKA, Motoki Kobayashi, Hidetsugu Uchida, Takamitsu Kawahara, Naoki Hatta +4 more | 2017-09-26 |
| 9761479 | Manufacturing method for semiconductor substrate | Ko IMAOKA, Motoki Kobayashi, Hidetsugu Uchida, Takamitsu Kawahara, Naoki Hatta +5 more | 2017-09-12 |
| 8890170 | Silicon carbide substrate, semiconductor device and method for manufacturing silicon carbide substrate | Hiroyuki Nagasawa, Takamitsu Kawahara, Naoki Hatta | 2014-11-18 |
| 8133321 | Process for producing silicon carbide single crystal | Takamitsu Kawahara, Naoki Hatta, Hiroyuki Nagasawa | 2012-03-13 |
| 7211337 | Compound crystal and method of manufacturing same | Hiroyuki Nagasawa, Takamitsu Kawahara | 2007-05-01 |
| 7101774 | Method of manufacturing compound single crystal | Hiroyuki Nagasawa, Takamitsu Kawahara | 2006-09-05 |
| 6821340 | Method of manufacturing silicon carbide, silicon carbide, composite material, and semiconductor element | Hiroyuki Nagasawa, Takamitsu Kawahara | 2004-11-23 |
| 6736894 | Method of manufacturing compound single crystal | Takamitsu Kawahara, Hiroyuki Nagasawa | 2004-05-18 |
| 6703288 | Compound crystal and method of manufacturing same | Hiroyuki Nagasawa, Takamitsu Kawahara | 2004-03-09 |
| 6596080 | Silicon carbide and method for producing the same | Takamitsu Kawahara, Hiroyuki Nagasawa | 2003-07-22 |
| 6475456 | Silicon carbide film and method for manufacturing the same | Yukitaka Nakano, Hiroyuki Nagasawa, Takamitsu Kawahara | 2002-11-05 |
| 6416578 | Silicon carbide film and method for manufacturing the same | Yukitaka Nakano, Hiroyuki Nagasawa, Takamitsu Kawahara | 2002-07-09 |