TR

Takashi Ryu

NI Ngk Insulators: 31 patents #89 of 2,083Top 5%
PA Panasonic: 16 patents #1,398 of 21,108Top 7%
Sumitomo Electric Industries: 11 patents #2,408 of 21,551Top 15%
NJ Nuvoton Technology Corporation Japan: 3 patents #41 of 222Top 20%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
Overall (All Time): #37,231 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
7323850 Current detection circuit and switching power supply using the same Takuya Ishii, Mikio Motomori, Hirohisa Tanabe, Tomoya Shigemi 2008-01-29
7294994 Power supply Takuya Ishii, Mikio Motomori, Hiroki Akashi, Hirohisa Tanabe, Makoto Ishimaru +1 more 2007-11-13
7285944 DC-DC converter Takuya Ishii, Hirohisa Tanabe, Masaaki Koto 2007-10-23
7282900 Performance controller for a step down current mode switching regulator Richard Oswald, Tamotsu Yamamoto, Mikio Motomori, Takuya Ishii 2007-10-16
7282894 Method and apparatus for performing lossless sensing and negative inductor currents in a high side switch Richard Oswald, Tamotsu Yamamoto 2007-10-16
7250746 Current mode switching regulator with predetermined on time Richard Oswald, Tamotsu Yamamoto, Hiroshi Saito, Takuya Ishii, Hiroki Akashi +1 more 2007-07-31
7199636 Active diode Richard Oswald, Tamotsu Yamamoto, Hideki Shirokoshi 2007-04-03
7122266 Holding member for holding an electrochemical cell, a holding substrate for the same, an electrochemical system and a connecting member for electrochemical cells Shigenori Ito, Sota Shimizu, Kiyoshi Okumura, Mitsuru Hattori 2006-10-17
7081741 Multi-output power supply and electronic device using them Takuya Ishii, Mikio Motomori, Hirohisa Tanabe, Masato Yoshida, Kazuhito Kimura +1 more 2006-07-25
7075275 DC-DC converter Mikio Motomori, Takuya Ishii, Hiroki Akashi, Hirohisa Tanabe, Makoto Ishimaru +1 more 2006-07-11
6831448 DC-to-DC converter Takuya Ishii, Hiroshi Saito, Hironori Kamiya 2004-12-14