EY

Eiji Yamasaki

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HE Hitachi Vlsi Engineering: 3 patents #237 of 666Top 40%
EM Elpida Memory: 2 patents #267 of 692Top 40%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
📍 Nara, JP: #505 of 2,795 inventorsTop 20%
Overall (All Time): #584,091 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7464315 Semiconductor memory device Yutaka Ito, Hidetoshi Iwai 2008-12-09
7228377 Semiconductor integrated circuit device, IC card, and mobile terminal Takanori Yamazoe, Takashi Tase, Junji Shigeta, Nobutaka Nagasaki, Nobuhiro Oodaira +1 more 2007-06-05
7221610 Charge pump circuit for generating high voltages required in read/write/erase/standby modes in non-volatile memory device Takanori Yamazoe, Yuichiro Akimoto, Hisanobu Ishida, Nobuhiro Oodaira 2007-05-22
7184351 Semiconductor memory device Yutaka Ito, Takeshi Hashimoto, Shigeo Takeuchi, Masayuki Kaneda 2007-02-27
5555215 Semiconductor memory operating with low supply voltage Yoshinobu Nakagome, Kiyoo Itoh, Hitoshi Tanaka, Yasushi Watanabe, Eiji Kume +2 more 1996-09-10
5301142 Semiconductor memory Yukihide Suzuki, Masaya Muranaka, Hiromi Matsuura, Yoshinobu Nakagome, Hitoshi Tanaka +1 more 1994-04-05
5264743 Semiconductor memory operating with low supply voltage Yoshinobu Nakagome, Kiyoo Itoh, Hitoshi Tanaka, Yasushi Watanabe, Eiji Kume +2 more 1993-11-23
4533316 Vaporizing type fuel combustion apparatus with tar removal device Kenichi Takino, Kenji Murakami 1985-08-06
4230323 Automatic record player Sigeki Tsuji, Hiromichi Shiozaki 1980-10-28