NM

Narimichi Maeda

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HD Hitachi Denshi: 6 patents #16 of 275Top 6%
📍 Tachikawa, JP: #111 of 482 inventorsTop 25%
Overall (All Time): #593,249 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4620292 Arithmetic logic unit for floating point data and/or fixed point data Yoshimune Hagiwara, Shizuo Sugiyama, Osamu Yumoto, Takashi Akazawa, Masahito Kobayashi +2 more 1986-10-28
4592006 Adder for floating point data suitable for digital signal processing Yoshimune Hagiwara, Shizuo Sugiyama, Osamu Yumoto, Takashi Akazawa, Masahito Kobayashi +2 more 1986-05-27
4534010 Floating point type multiplier circuit with compensation for over-flow and under-flow in multiplication of numbers in two's compliment representation Masahito Kobayashi, Yoshimune Hagiwara, Takashi Akazawa, Shizuo Sugiyama 1985-08-06
4531089 Electric power detecting circuit and gain control circuit using the same Kohei Ishizuka, Yasuhiro Kita, Masahiro Koya, Kazuhiko Takaoka, Yoshiro Kokuryo 1985-07-23
4511990 Digital processor with floating point multiplier and adder suitable for digital signal processing Yoshimune Hagiwara, Shizuo Sugiyama, Osamu Yumoto, Takashi Akazawa, Masahito Kobayashi +2 more 1985-04-16
4477913 Automatic equalizer apparatus Masahiro Koya, Kohei Ishizuka, Kazuhiko Takaoka, Yoshiro Kokuryo, Yasuhiro Kita 1984-10-16
4441192 Signal processing system having impulse response detecting circuit Yasuhiro Kita, Nobuo Tsukamoto, Masahiro Koya 1984-04-03
4337518 Recursive-type digital filter with reduced round-off noise Makoto Ohnishi, Hiroshi Kuwahara 1982-06-29
4292596 Gain control circuit Kohei Ishizuka, Yasuhiro Kita 1981-09-29