HH

Hiroshi Hayashida

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
Overall (All Time): #429,704 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4983875 Actuator Ryoso Masaki, Masahiro Kayama, Hideki Nihei, Yasunori Katayama, Hiroshi Nagase +2 more 1991-01-08
4983893 Actuator with stepping motion function Kunio Miyashita, Tadashi Takahashi, Syooichi Kawamata 1991-01-08
4890024 Low-speed high-torque motor Ichiro Hashimoto, Kosho Ishizaki, Kunio Miyashita 1989-12-26
4638225 Method and apparatus therefor in motor speed control Shigeki Morinaga, Kunio Miyashita, Tadashi Takahashi 1987-01-20
4628259 Magneto resistive sensor for detecting movement of a rotating body Tadashi Takahashi, Kunio Miyashita, Sadao Sekizawa 1986-12-09
4599561 Device for detecting the relative and absolute position of a moving body Tadashi Takahashi, Kunio Miyashita 1986-07-08
4586152 Method and apparatus for counting an infinite length with a counter of finite length Kunio Miyashita, Tadashi Takahashi, Shigeki Morinaga, Kosho Ishizaki 1986-04-29
4580084 Method and system for controlling speed of electric motor Tadashi Takahashi, Kunio Miyashita, Shigeki Morinaga, Junshiro Inamura 1986-04-01
4558265 Method and apparatus for position control of an electric motor Tadashi Takahashi, Kunio Miyashita 1985-12-10
4473786 Method for controlling angular position and apparatus therefor Kunio Miyashita, Tadashi Takahashi, Shigeki Morinaga, Kosho Ishizaki 1984-09-25
4418372 Magnetic rotary encoder Tadashi Takahashi, Kunio Miyashita, Kanji Kawakami 1983-11-29
4403187 Magnetic head for sensing the position of a moving member Tadashi Takahashi, Kunio Miyashita 1983-09-06