KN

Kiyoshi Nakata

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #343 of 1,085Top 35%
HI Hitchi: 1 patents #1 of 56Top 2%
KC Kansai Coke And Chemicals Co.: 1 patents #11 of 29Top 40%
Overall (All Time): #82,403 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
5587891 Electric power converting apparatus Tokunosuke Tanamachi, Kiyoshi Nakamura, Mutsuhiro Terunuma, Masato Suzuki, Yoshio Tsutsui +2 more 1996-12-24
5532569 Inverter control apparatus Tokunosuke Tanamachi, Kiyoshi Nakamura, Yoshio Tsutsui, Wataru Miyake, Katsuaki Suzuki 1996-07-02
5506765 Control apparatus of power converter and control apparatus of electric motor vehicle Tokunosuke Tanamachi, Mutsuhiro Terunuma, Masato Suzuki, Kiyoshi Nakamura, Eiichi Toyota +2 more 1996-04-09
5499911 Apparatus for spinning of polyurethane elastic filaments Seishu Hayashi 1996-03-19
5481448 Multilevel inverter having voltage dividing capacitors distributed across multiple arms Kiyoshi Nakamura, Tokunosuke Tanamachi, Yoshio Tsutsui, Mutsuhiro Terunuma 1996-01-02
5467262 Electric power converting apparatus Tokunosuke Tanamachi, Kiyoshi Nakamura, Mutsuhiro Terunuma, Masato Suzuki, Yoshio Tsutsui +2 more 1995-11-14
5459655 Neutral-point clamped inverter device using semiconductor modules Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Akira Horie +2 more 1995-10-17
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
5250890 Inverter control apparatus Tokunosuke Tanamachi, Kiyoshi Nakamura, Yoshio Tsutsui, Wataru Miyake, Katsuaki Suzuki 1993-10-05
5177677 Power conversion system Akira Kimura, Youji Takahashi, Yoshio Tsutsui, Kiyoshi Nakamura, Atsushi Abe 1993-01-05
4250808 Printer Akira Katsura, Shoei Sakashi 1981-02-17