KH

Keiichi Higeta

HI Hitachi: 30 patents #925 of 28,497Top 4%
HC Hitachi Ulsi Systems Co.: 12 patents #29 of 867Top 4%
RT Renesas Technology: 9 patents #297 of 3,337Top 9%
HC Hitachi Device Engineering Co.: 6 patents #68 of 514Top 15%
Overall (All Time): #83,454 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 25 most recent of 39 patents

Patent #TitleCo-InventorsDate
8050333 Data transfer device of serializer/deserializer system Takashi Muto, Yasuhiro Fujimura, Junji Baba, Takayuki Muranaka, Isao Kimura 2011-11-01
7620838 Semiconductor integrated circuit and image processing system using the same Takashi Koba, Naoyuki Anan, Mikiko Sakai, Seryung Park 2009-11-17
7596010 Semiconductor memory device Masahiko Nishiyama, Takashi Koba 2009-09-29
7349231 Semiconductor memory device Masahiko Nishiyama, Takashi Koba 2008-03-25
7203081 Semiconductor memory device Masahiko Nishiyama, Takashi Koba 2007-04-10
7012848 Semiconductor integrated circuit device Satoshi Iwahashi, Shigeru Nakahara, Takeshi Suzuki 2006-03-14
7009246 Semiconductor device Takahiro Kawata, Shigeru Nakahara 2006-03-07
7009862 Semiconductor device Satoshi Iwahashi, Yoichiro Aihara, Shigeru Nakahara 2006-03-07
6998878 Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit Kazuo Kanetani, Hiroaki Nambu, Kaname Yamasaki, Takeshi Kusunoki, Kunihiko Yamaguchi +1 more 2006-02-14
6920071 Semiconductor integrated circuit device Takahiro Kawata, Shigeru Nakahara 2005-07-19
6876573 Semiconductor memory device Shigeru Nakahara, Hiroaki Nambu 2005-04-05
6856574 Semiconductor memory device Satoshi Iwahashi 2005-02-15
6826109 Semiconductor integrated circuit device with a RAM macro having two operation modes for receiving an input signal at different timings Shigeru Nakahara, Satoshi Iwahashi, Takeshi Suzuki, Kazuo Kanetani 2004-11-30
6807115 Method of testing a semiconductor integrated device Kazuo Kanetani, Hiroaki Nambu, Kaname Yamasaki, Fumihiko Arakawa, Takeshi Kusunoki 2004-10-19
6795368 Semiconductor integrated circuit device Satoshi Iwahashi, Shigeru Nakahara, Takeshi Suzuki 2004-09-21
6791895 Semiconductor memory device Shigeru Nakahara, Hiroaki Nambu 2004-09-14
6779144 Semiconductor integrated circuit device and method of testing it Hideki Hayashi, Shigeru Nakahara 2004-08-17
6727532 Semiconductor integrated circuit device Takao Saotome, Takeshi Suzuki, Hiroyuki Tanaka, Shigeru Nakahara 2004-04-27
6717877 Semiconductor integration circuit device Takeshi Suzuki, Shigeru Nakahara, Takeshi Kusunoki 2004-04-06
6707751 Semiconductor integrated circuit device Satoshi Iwahashi, Shigeru Nakahara, Takeshi Suzuki 2004-03-16
6677782 Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit Kazuo Kanetani, Hiroaki Nambu, Kaname Yamasaki, Takeshi Kusunoki, Kunihiko Yamaguchi +1 more 2004-01-13
6670201 Manufacturing method of semiconductor device Masaki Kouno, Masato Hamamoto, Atsushi Wakahara, Hideyuki Takahashi, Mitsugu Kusunoki +1 more 2003-12-30
6657887 Semiconductor memory device having improved noise margin, faster read rate and reduced power consumption Shigeru Nakahara, Hiroaki Nambu 2003-12-02
6617610 Semiconductor integrated circuit Kazuo Kanetani, Hiroaki Nambu, Kaname Yamasaki, Fumihiko Arakawa, Takeshi Kusunoki 2003-09-09
6512709 Semiconductor integrated circuit Shigeru Nakahara, Hideki Hayashi, Takeshi Suzuki 2003-01-28