JN

Junji Nishida

Ricoh Company: 40 patents #359 of 9,818Top 4%
Overall (All Time): #79,938 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
7589509 Switching regulator 2009-09-15
7576530 Switching regulator capable of efficient control at control mode change 2009-08-18
7560911 Step-up/step-down switching regulator 2009-07-14
7538529 Power-supply apparatus 2009-05-26
7514910 DC-DC converter capable of performing for wide and dynamic voltage range 2009-04-07
7504805 Boost circuit 2009-03-17
7482796 Switching regulator, power supply circuit and secondary cell charging circuit including the same 2009-01-27
7429851 Constant voltage power supply circuit 2008-09-30
7348765 DC-DC converter capable of performing for wide and dynamic voltage range 2008-03-25
7319311 Step down switching regulator with the substrate of the switching transistor selectively connected to either its drain or source 2008-01-15
7274171 Charging circuit for secondary battery Shinya Manabe 2007-09-25
7205748 Charging circuit for secondary battery Shinya Manabe 2007-04-17
7098627 Method and apparatus for battery charging with constant current, constant voltage, and pulsed charging 2006-08-29
7012405 Charging circuit for secondary battery Shinya Manabe 2006-03-14
6803745 Battery pack charging apparatus and method Shinya Manabe 2004-10-12