YT

Yoshio Tsutsui

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
📍 Hitachinaka, JP: #399 of 2,447 inventorsTop 20%
Overall (All Time): #390,744 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5587891 Electric power converting apparatus Kiyoshi Nakata, Tokunosuke Tanamachi, Kiyoshi Nakamura, Mutsuhiro Terunuma, Masato Suzuki +2 more 1996-12-24
5535114 Power converter Akira Horie, Takeshi Ando, Takayuki Matsui, Eiichi Toyota, Syuuji Saitoo 1996-07-09
5532569 Inverter control apparatus Tokunosuke Tanamachi, Kiyoshi Nakamura, Kiyoshi Nakata, Wataru Miyake, Katsuaki Suzuki 1996-07-02
5481448 Multilevel inverter having voltage dividing capacitors distributed across multiple arms Kiyoshi Nakata, Kiyoshi Nakamura, Tokunosuke Tanamachi, Mutsuhiro Terunuma 1996-01-02
5467262 Electric power converting apparatus Kiyoshi Nakata, Tokunosuke Tanamachi, Kiyoshi Nakamura, Mutsuhiro Terunuma, Masato Suzuki +2 more 1995-11-14
5461556 Power converter Akira Horie, Takeshi Ando, Takayuki Matsui, Eiichi Toyota, Syuuji Saitoo 1995-10-24
5400242 Multi-series inverter arrangement Takeshi Ando, Akira Horie 1995-03-21
5375050 Electric power converter arrangement and electric rolling stock control device using the same Kiyoshi Nakata, Tokunosuke Tanamachi, Kiyoshi Nakamura, Mutsuhiro Terunuma, Masato Suzuki +1 more 1994-12-20
5250890 Inverter control apparatus Tokunosuke Tanamachi, Kiyoshi Nakamura, Kiyoshi Nakata, Wataru Miyake, Katsuaki Suzuki 1993-10-05
5177677 Power conversion system Kiyoshi Nakata, Akira Kimura, Youji Takahashi, Kiyoshi Nakamura, Atsushi Abe 1993-01-05
4701682 Control system for maintaining traction of rolling stock Tetsuji Hirotsu, Hisakatsu Kiwaki, Kiyoshi Nakamura, Hiroshi Narita, Syozi Kasai +1 more 1987-10-20
4700283 Control system for an electric locomotive having AC to DC converters Kiyoshi Nakamura, Akira Kimura, Hayato Imai, Kaoru Tamura, Shozuchi Miura 1987-10-13
4245291 Electric power converter apparatus for an a.c. electric rolling stock Kyozo Tachibana, Hiroaki Ishikawa 1981-01-13