Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8530958 | Semiconductor device having split gate type, non-volatile memory cells and a method of manufacturing the same | Koichi Toba, Yasushi Ishii, Yoshiyuki Kawashima, Satoru Machida, Kentaro Saito +3 more | 2013-09-10 |
| 8497547 | Semiconductor device and a method of manufacturing the same | Koichi Toba, Yasushi Ishii, Yoshiyuki Kawashima, Satoru Machida, Takashi Hashimoto | 2013-07-30 |
| 8390048 | Method of manufacturing a nonvolatile semiconductor memory device, and a nonvolatile semiconductor memory device | Takeshi Sakai, Yasushi Ishii, Tsutomu Okazaki, Masaru Nakamichi, Toshikazu Matsui +3 more | 2013-03-05 |
| 8269266 | Semiconductor device and a method of manufacturing the same | Koichi Toba, Yasushi Ishii, Yoshiyuki Kawashima, Satoru Machida, Takashi Hashimoto | 2012-09-18 |
| 7863135 | Method of manufacturing a nonvolatile semiconductor memory device, and a nonvolatile semiconductor memory device | Takeshi Sakai, Yasushi Ishii, Tsutomu Okazaki, Masaru Nakamichi, Toshikazu Matsui +3 more | 2011-01-04 |
| 7767522 | Semiconductor device and a method of manufacturing the same | Koichi Toba, Yasushi Ishii, Yoshiyuki Kawashima, Satoru Machida, Takashi Hashimoto | 2010-08-03 |
| 7745288 | Semiconductor device and a method of manufacturing the same | Koichi Toba, Yasushi Ishii, Yoshiyuki Kawashima, Satoru Machida, Kentaro Saito +3 more | 2010-06-29 |
| 7663176 | Method of manufacturing a nonvolatile semiconductor memory device, and a nonvolatile semiconductor memory device | Takeshi Sakai, Yasushi Ishii, Tsutomu Okazaki, Masaru Nakamichi, Toshikazu Matsui +3 more | 2010-02-16 |
| 7371631 | Method of manufacturing a nonvolatile semiconductor memory device, and a nonvolatile semiconductor memory device | Takeshi Sakai, Yasushi Ishii, Tsutomu Okazaki, Masaru Nakamichi, Toshikazu Matsui +3 more | 2008-05-13 |