Inventor
KASHIWAGI YUGO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KASHIWAGI YUGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS5682545AOct 28, 1997
Microcomputer having 16 bit fixed length instruction format
HITACHI LTD64 citations97
US5632024AMay 20, 1997
Microcomputer executing compressed program and generating compressed branch addresses
HITACHI LTD57 citations96
US5515519AMay 7, 1996
Data processor and method utilizing coded no-operation instructions
HITACHI LTD94 citations96
US5293558AMar 8, 1994
Multiplication, division and square root extraction apparatus
HITACHI LTD51 citations95
US6272620B1Aug 7, 2001
Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation
HITACHI LTD22 citations92
US5517664AMay 14, 1996
RISC system with instructions which include register area and displacement portions for accessing data stored in registers during processing
HITACHI LTD28 citations92
US5307502AApr 26, 1994
Data processing system having multiple register management for call and return operations
HITACHI LTD32 citations92
US5214786AMay 25, 1993
RISC system performing calls and returns without saving or restoring window pointers and delaying saving until multi-register areas are filled
HITACHI LTD35 citations91
US6253308B1Jun 26, 2001
Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word
HITACHI LTD11 citations82
US6122724ASep 19, 2000
Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation
HITACHI LTD15 citations82
US5991545ANov 23, 1999
Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word
HITACHI LTD10 citations82
US5969976AOct 19, 1999
Division circuit and the division method thereof
HITACHI LTD16 citations82
US5956263ASep 21, 1999
Multiplication, division and square root extraction apparatus
HITACHI LTD16 citations81
US6343357B1Jan 29, 2002
Microcomputer and dividing circuit
HITACHI LTD6 citations73
US6131154AOct 10, 2000
Microcomputer having variable bit width area for displacement
HITACHI LTD8 citations73
US5631858AMay 20, 1997
System for obtaining strict solution in accordance with accuracy of approximate solutions
HITACHI LTD6 citations73
US5450610ASep 12, 1995
RISC system capable of performing calls and returns without advancing or restoring window pointers
HITACHI LTD6 citations72
US6205535B1Mar 20, 2001
Branch instruction having different field lengths for unconditional and conditional displacements
HITACHI LTD6 citations62