HA

Hajime Aoi

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
FC Fuji Electric Co.: 3 patents #717 of 2,643Top 30%
NU National University Corporation Tohoku University: 2 patents #36 of 170Top 25%
TU Tohoku University: 2 patents #330 of 1,680Top 20%
FC Fuji Electric Device Technology Co.: 1 patents #91 of 205Top 45%
📍 Chofu, JP: #16 of 517 inventorsTop 4%
Overall (All Time): #113,890 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
4792497 Magnetic recording media for longitudinal recording Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Kazuetsu Yoshida +4 more 1988-12-20
4777553 Magnetic head Fumio Kugiya, Takashi Tamura 1988-10-11
4774601 Read channel for magnetic recording Yasuhide Ouchi, Takashi Tamura, Nobumasa Nishiyama 1988-09-27
4755891 Circuit for processing waveform of reproduced signal in magnetic reproducing apparatus Yasuhiro Katoh, Fumio Kugiya 1988-07-05
4651236 Waveform equalizing circuit Yasuhide Ouchi, Takashi Tamura, Kazuyoshi Nakabayashi, Takamasa Uchiyama 1987-03-17
4644424 Equalizer used for magnetic storage device Nobumasa Nishiyama, Takashi Tamura, Yasuhide Ouchi, Makoto Saitou 1987-02-17
4249219 Current drive circuit for an induction coil Takashi Tamura, Makoto Koizumi, Noboru Kunimi, Minoru Enomoto, Noriaki Hatanaka 1981-02-03