TI

Takeo Ishida

SC Sanyo Electric Co.: 8 patents #678 of 6,347Top 15%
SI Sintobrator: 1 patents #9 of 26Top 35%
📍 Ebeye: #508 of 4,528 inventorsTop 15%
Overall (All Time): #520,138 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7745956 Grid interconnection device, grid interconnection system and transfer trip system Kazuo Ito, Wataru Horio, Masahiro Makino, Ryuzo Hagihara, Haruhiko Tatsumi +1 more 2010-06-29
7236959 Method for collectively receiving at high voltage and distributing at low voltage, and collective housing using same Hirosato Yagi, Ryuzo Hagihara 2007-06-26
6737761 Power load control system Hirosato Yagi, Ryuzo Hagihara 2004-05-18
6717982 Data communication apparatus Ryuzo Hagihara, Yasuhiro Yagi 2004-04-06
6291764 Photovoltaic power generation device Ryuzo Hagihara, Hitoshi Kishi 2001-09-18
6252785 Device for operating inverter and power system Ryuzo Hagihara, Kenji Uchihashi 2001-06-26
6175512 Device for operating inverter and power system Ryuzo Hagihara, Kenji Uchihashi 2001-01-16
5951785 Photo-voltaic apparatus Kenji Uchihashi, Hitoshi Kishi, Ryuzo Hagihara 1999-09-14
5886890 Power-supply system involving system interconnection Ryuzo Hagiwara, Shinichi Kozuma, Hitoshi Kishi 1999-03-23
4839992 Polishing device Hiroshi Hagiwara, Ichizo Kakumu 1989-06-20