KN

Kiyoshi Nakata

HI Hitachi: 3 patents #145 of 3,149Top 5%
TK Toyo Boseki Kabushiki Kaisha: 1 patents #12 of 61Top 20%
Overall (1994): #5,537 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5375050 Electric power converter arrangement and electric rolling stock control device using the same Tokunosuke Tanamachi, Kiyoshi Nakamura, Mutsuhiro Terunuma, Masato Suzuki, Yoshio Tsutsui +1 more 1994-12-20
5361196 Power converter for converting DC voltage into AC phase voltage having three levels of positive, zero and negative voltage Tokunosuke Tanamachi, Kiyoshi Nakamura 1994-11-01
5330338 Apparatus for spinning of polyurethane elastic filaments Seishu Hayashi 1994-07-19
5321599 Control apparatus for suppressing a third harmonic neutral point voltage in a three level inverter Tokunosuke Tanamachi, Kiyoshi Nakamura 1994-06-14