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Makoto Matsushima

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
Overall (All Time): #519,169 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7953145 Pulse width modulation signal generating circuit 2011-05-31
7701187 DC converter with halt mode setting means Katsuhiko Manabe, Tomonari Katoh, Minoru Sugiyama, Tadayoshi Ueda 2010-04-20
7408334 DC converter with halt mode setting means Katsuhiko Manabe, Tomonari Katoh, Minoru Sugiyama, Tadayoshi Ueda 2008-08-05
7372902 Pulse with modulation signal generating circuit 2008-05-13
7193400 DC converter with halt mode setting means Katsuhiko Manabe, Tomonari Katoh, Minoru Sugiyama, Tadayoshi Ueda 2007-03-20
7146194 Amplifying circuit, speaker system, and mobile information terminal employing amplifying circuit Katsuhiko Manabe 2006-12-05
7075279 DC converter with halt mode setting means Katsuhiko Manabe, Tomonari Katoh, Minoru Sugiyama, Tadayoshi Ueda 2006-07-11
6922043 DC converter with halt mode setting means Katsuhiko Manabe, Tomonari Katoh, Minoru Sugiyama, Tadayoshi Ueda 2005-07-26
5598160 Signal processing circuit with built-in dynamic range matching 1997-01-28
5453788 Apparatus for converting encoded data into image data, including data preparing circuit, to allow enlargement or reduction of image Ryo Fukui 1995-09-26