Inventor
URAGAMI AKIRA
JP41 patents
⚠️ This page may combine multiple inventors who share the name “URAGAMI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
29 patentsUS5673058ASep 30, 1997
One-chip semiconductor integrated circuit device capable of outputting analog color signal or digital color signal
HITACHI LTD70 citations96
US5633766AMay 27, 1997
Magnetic disk storage apparatus with phase sync circuit having controllable response characteristics
HITACHI LTD72 citations96
US5515068AMay 7, 1996
One-chip semiconductor integrated circuit device capable of outputting analog color signal or digital color signal
HITACHI LTD72 citations96
US5404250AApr 4, 1995
Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic
HITACHI LTD59 citations96
US4694203ASep 15, 1987
High speed bi-comos switching circuit
HITACHI LTD28 citations93
US4645951AFeb 24, 1987
Semiconductor integrated circuit having a C-MOS internal logic block and an output buffer for providing ECL level signals
HITACHI LTD48 citations93
US5999353ADec 7, 1999
Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic
HITACHI LTD28 citations92
US5745066AApr 28, 1998
AD converter and magnetic recording/regenerating apparatus using thereof
HITACHI LTD17 citations92
US4678943AJul 7, 1987
Inverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced dissipation
HITACHI LTD51 citations92
US5062011AOct 29, 1991
Address mark generating method and its circuit in a data memory
HITACHI LTD24 citations90
US5157354AOct 20, 1992
Phase-locked loop IC having ECL buffers
HITACHI LTD22 citations89
US5053909AOct 1, 1991
Semiconductor integrated circuit device
HITACHI LTD16 citations82
US4710842ADec 1, 1987
Semiconductor integrated circuit device
HITACHI LTD19 citations82
US4689503AAug 25, 1987
Level conversion circuitry for a semiconductor integrated circuit utilizing bis CMOS circuit elements
HITACHI LTD16 citations82
US4683384AJul 28, 1987
Integrated circuit having input and output drivers cascaded between I/O pads and internal circuitry
HITACHI LTD17 citations74
US6266200B1Jul 24, 2001
Magnetic disk storage apparatus
HITACHI LTD4 citations73
US5557274ASep 17, 1996
Ad converter and magnetic recording/regenerating apparatus using the same
HITACHI LTD5 citations73
US5245224ASep 14, 1993
Level conversion circuitry for a semiconductor integrated circuit
HITACHI LTD17 citations73
US4983862AJan 8, 1991
Semiconductor integrated circuit with a bi-MOS input circuit for providing input signals to an internal logic block
HITACHI LTD5 citations73
US4827368AMay 2, 1989
Semiconductor integrated circuit device
HITACHI LTD7 citations73
US5377136ADec 27, 1994
Semiconductor integrated circuit device with built-in memory circuit group
HITACHI LTD8 citations72
US5265045ANov 23, 1993
Semiconductor integrated circuit device with built-in memory circuit group
HITACHI LTD9 citations72
US5398047AMar 14, 1995
Semiconductor integrated circuit device including high-speed operating circuit and low-speed operating circuit, and system using the same
HITACHI LTD9 citations66
US5463504AOct 31, 1995
Magnetic disk system and waveform equalizer therefor
HITACHI LTD5 citations63
US5053644AOct 1, 1991
Semiconductor integrated circuit
HITACHI LTD5 citations63
US5475715ADec 12, 1995
Sync data introduction method and system
HITACHI LTD5 citations62
US5103120AApr 7, 1992
Level conversion circuitry for a semiconductor integrated circuit
HITACHI LTD2 citations62
US5001487AMar 19, 1991
Semiconductor integrated circuit device
HITACHI LTD4 citations58
US5512847AApr 30, 1996
BiCMOS tri-state output driver
HITACHI LTD0 citations52
KOBE STEEL LTD
9 patentsUS6149709ANov 21, 2000
Method of making iron and steel
KOBE STEEL LTD98 citations98
US6063156AMay 16, 2000
Production method of metallic iron
KOBE STEEL LTD62 citations95
US6036744AMar 14, 2000
Method and apparatus for making metallic iron
KOBE STEEL LTD83 citations95
US6210462B1Apr 3, 2001
Method and apparatus for making metallic iron
KOBE STEEL LTD39 citations92
US3954921AMay 4, 1976
Gas-liquid contacting method and scrubber used therefor
KOBE STEEL LTD38 citations92
US6506231B2Jan 14, 2003
Method and apparatus for making metallic iron
KOBE STEEL LTD30 citations91
US6284018B1Sep 4, 2001
Method of making iron and steel
KOBE STEEL LTD15 citations84
US6432533B1Aug 13, 2002
Metallic iron containing slag
KOBE STEEL LTD11 citations72
US7938883B2May 10, 2011
Method and apparatus for making metallic iron
KOBE STEEL LTD3 citations61