DO

Daisuke Okada

RE Renesas Electronics: 21 patents #93 of 4,529Top 3%
RT Renesas Technology: 15 patents #114 of 3,337Top 4%
Ricoh Company: 14 patents #1,578 of 9,818Top 20%
MC Murata Manufacturing Co.: 6 patents #1,272 of 5,295Top 25%
FL Floadia: 4 patents #10 of 21Top 50%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HE Hitachi Micro Computer Engineering: 2 patents #45 of 393Top 15%
HO Hosiden: 1 patents #173 of 328Top 55%
HA Hatachi: 1 patents #1 of 40Top 3%
FN Felica Networks: 1 patents #58 of 85Top 70%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #30,900 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 51–68 of 68 patents

Patent #TitleCo-InventorsDate
7636253 Semiconductor device Tsutomu Okazaki, Kyoya Nitta, Toshihiro Tanaka, Akira Kato, Toshikazu Matsui +3 more 2009-12-22
7529126 Nonvolatile memory device and semiconductor device Toshihiro Tanaka, Takashi Yamaki, Yutaka Shinagawa, Digh Hisamoto, Kan Yasui +1 more 2009-05-05
7502257 Semiconductor device Tsutomu Okazaki, Kyoya Nitta, Toshihiro Tanaka, Akira Kato, Toshikazu Matsui +3 more 2009-03-10
7443731 Semiconductor nonvolatile memory device Digh Hisamoto, Kan Yasui, Tetsuya Ishimaru, Shinichiro Kimura 2008-10-28
7259422 Nonvolatile semiconductor memory device and its fabrication method Digh Hisamoto, Kan Yasui, Shinichiro Kimura 2007-08-21
7245531 Semiconductor device Tsutomu Okazaki, Kyoya Nitta, Toshihiro Tanaka, Akira Kato, Toshikazu Matsui +3 more 2007-07-17
7212444 Semiconductor nonvolatile memory device Digh Hisamoto, Kan Yasui, Tetsuya Ishimaru, Shinichiro Kimura 2007-05-01
7095074 Semiconductor device with reduced memory leakage current Keisuke Tsukamoto, Yoshihiro Ikeda, Tsutomu Okazaki, Hiroshi Yanagita 2006-08-22
7085157 Nonvolatile memory device and semiconductor device Toshihiro Tanaka, Takashi Yamaki, Yutaka Shinagawa, Digh Hisamoto, Kan Yasui +1 more 2006-08-01
7015090 Method of manufacturing a semiconductor device having trenches for isolation and capacitor formation trenches Tsutomu Okazaki, Yoshihiro Ikeda, Keisuke Tsukamoto, Tatsuya Fukumura, Shoji Shukuri +2 more 2006-03-21
7001808 Semiconductor integrated circuit device having a dummy conductive film and method of manufacturing the same Keisuke Tsukamoto, Yoshihiro Ikeda, Tsutomu Okazaki, Hiroshi Yanagita 2006-02-21
D513354 Jack 2005-12-27
6808951 Semiconductor integrated circuit device and manufacturing method thereof Yoshihiro Ikeda, Tsutomu Okazaki, Keisuke Tsukamoto, Hiroshi Yanagita 2004-10-26
5200348 Method of manufacturing semiconductor device with constant width deep groove isolation Akihisa Uchida, Toshihiko Takakura, Katsumi Ogiue, Yoichi Tamaki, Masao Kawamura 1993-04-06
4907063 Semiconductor body, and device formed therefrom, having grooves with silicon nitride on the groove surfaces Akihisa Uchida, Toshihiko Takakura, Shinji Nakashima, Nobuhiko Ohno, Katsumi Ogiue 1990-03-06
4853343 Method for fabricating a semiconductor integrated circuit device having thick oxide films and groove etch and refill Akihisa Uchida, Toshihiko Takakura, Katsumi Ogiue, Yoichi Tamaki, Masao Kawamura 1989-08-01
4746963 Isolation regions formed by locos followed with groove etch and refill Akihisa Uchida, Toshihiko Takakura, Katsumi Ogiue, Yoichi Tamaki, Masao Kawamura 1988-05-24
4700464 Method of forming trench isolation in an integrated circuit Akihisa Uchida, Toshihiko Takakura, Shinji Nakashima, Nobuhiko Ohno, Katsumi Ogiue 1987-10-20