TK

Tomonari Katoh

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
Overall (All Time): #354,500 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7701187 DC converter with halt mode setting means Katsuhiko Manabe, Minoru Sugiyama, Makoto Matsushima, Tadayoshi Ueda 2010-04-20
7567065 Switching regulator and method for changing output voltages thereof Masahiro Matsuo 2009-07-28
7541788 Switching regulator and method for switching output voltage thereof Masahiro Matsuo 2009-06-02
7468599 DC power supply and integrated circuit device Masahiro Matsuo, Shohichi Nitta 2008-12-23
7436163 DC-DC converter 2008-10-14
7408334 DC converter with halt mode setting means Katsuhiko Manabe, Minoru Sugiyama, Makoto Matsushima, Tadayoshi Ueda 2008-08-05
7262588 Method and apparatus for power supply controlling capable of effectively controlling switching operations Masahiro Matsuo 2007-08-28
7221129 Switching regulator and method for changing output voltages thereof Masahiro Matsuo 2007-05-22
7199568 DC power supply and integrated circuit device Masahiro Matsuo, Shohichi Nitta 2007-04-03
7193400 DC converter with halt mode setting means Katsuhiko Manabe, Minoru Sugiyama, Makoto Matsushima, Tadayoshi Ueda 2007-03-20
7187159 DC—DC converter 2007-03-06
7075279 DC converter with halt mode setting means Katsuhiko Manabe, Minoru Sugiyama, Makoto Matsushima, Tadayoshi Ueda 2006-07-11
6922043 DC converter with halt mode setting means Katsuhiko Manabe, Minoru Sugiyama, Makoto Matsushima, Tadayoshi Ueda 2005-07-26
6922321 Overcurrent limitation circuit Kohichi Hagino 2005-07-26