HK

Hisakatsu Kiwaki

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HM Hitachi Medical: 1 patents #371 of 680Top 55%
📍 Hitachinaka, JP: #760 of 2,447 inventorsTop 35%
Overall (All Time): #895,151 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4768215 X-ray generator with current measuring device Kayo Shimada, Hiroshi Okubo, Kazuo Kaneko, Takanobu Hatakeyama 1988-08-30
4701682 Control system for maintaining traction of rolling stock Tetsuji Hirotsu, Kiyoshi Nakamura, Hiroshi Narita, Syozi Kasai, Akira Kimura +1 more 1987-10-20
4629034 Elevator control apparatus Hiromi Inaba, Hajime Nakashima, Akiteru Ueda, Takeki Ando, Toshiaki Kurosawa +1 more 1986-12-16
4377758 Magnetic amplifying apparatus 1983-03-22
4306283 Power factor improving apparatus for power converter Kyozo Tachibana, Yoshimitsu Onoda, Katsuaki Suzuki, Tatsuo Horie, Yutaka Suzuki +1 more 1981-12-15
4286211 Direct current detecting device using saturable reactors Kiyoshi Nakamura, Hiroaki Ishikawa, Fumio Ogata 1981-08-25