AT

Akio Tamagawa

NE Nec: 11 patents #1,181 of 14,502Top 9%
NE Nec Electronics: 4 patents #172 of 1,789Top 10%
RE Renesas Electronics: 3 patents #1,322 of 4,529Top 30%
Overall (All Time): #256,349 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9627527 Semiconductor device Makoto Tanaka 2017-04-18
9324788 Semiconductor device Makoto Tanaka 2016-04-26
8254075 Semiconductor device and circuit protection method Yoshihiro Higashida 2012-08-28
7545198 Semiconductor device 2009-06-09
7540657 Temperature detection circuit Takeshi Mikuni 2009-06-02
7350974 Temperature detection circuit Takeshi Mikuni 2008-04-01
6661260 Output circuit of semiconductor circuit with power consumption reduced Akihiro Nakahara 2003-12-09
6046491 Semiconductor resistor element having improved resistance tolerance and semiconductor device therefor 2000-04-04
5754078 Operational amplifier for class B amplification 1998-05-19
5623222 Voltage converting circuit and multiphase clock generating circuit used for driving the same 1997-04-22
5532916 Voltage converting circuit and multiphase clock generating circuit used for driving the same 1996-07-02
5461557 Voltage converting circuit and multiphase clock generating circuit used for driving the same 1995-10-24
5339236 Charge pump circuit for intermediate voltage between power supply voltage and its double voltage 1994-08-16
5254487 Method of manufacturing high and low voltage CMOS transistors on a single chip 1993-10-19
5212460 Crystal oscillation circuit with voltage regulating circuit 1993-05-18
5151666 Oscillation stoppage detection circuit 1992-09-29
5061862 Reference voltage generating circuit 1991-10-29
5045900 Semiconductor device having a vertical power MOSFET fabricated in an isolated form on a semiconductor substrate 1991-09-03