TN

Toshihisa Nagata

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #574,257 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8957646 Constant voltage circuit and electronic device including same Takahiro Hino, Akihito Nagahama 2015-02-17
8575904 Semiconductor device and manufacturing method thereof 2013-11-05
8446215 Constant voltage circuit Hideki Agari, Kohji Yoshii 2013-05-21
7948223 Constant voltage circuit using plural error amplifiers to improve response speed Kohji Yoshii, Yusuke Minakuchi 2011-05-24
7545610 Constant-voltage power supply circuit with fold-back-type overcurrent protection circuit 2009-06-09
7368896 Voltage regulator with plural error amplifiers Kohji Yoshii, Yusuke Minakuchi 2008-05-06
7215180 Constant voltage circuit Hideki Agari, Kohji Yoshii 2007-05-08
5737273 Sense amplifier and reading circuit with sense amplifier Hideo Fujiwara, Seiji Yamanaka, Hiizu Okubo 1998-04-07
5729499 Sense amplifier and reading circuit with sense amplifier Hideo Fujiwara, Seiji Yamanaka, Hiizu Okubo 1998-03-17