Inventor
UCHIYAMA KUNIO
US73 patents
⚠️ This page may combine multiple inventors who share the name “UCHIYAMA KUNIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
38 patentsUS6532579B2Mar 11, 2003
Semiconductor integrated circuit and design method and manufacturing method of the same
HITACHI LTD290 citations99
US5614847AMar 25, 1997
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD140 citations99
US5583457ADec 10, 1996
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD251 citations99
US6092172AJul 18, 2000
Data processor and data processing system having two translation lookaside buffers
HITACHI LTD123 citations98
US6696865B2Feb 24, 2004
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD32 citations96
US5880604AMar 9, 1999
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD79 citations96
US5828235AOct 27, 1998
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD34 citations96
US5574876ANov 12, 1996
Processor system using synchronous dynamic memory
HITACHI LTD45 citations96
US5202969AApr 13, 1993
Single-chip-cache-buffer for selectively writing write-back and exclusively writing data-block portions to main-memory based upon indication of bits and bit-strings respectively
HITACHI LTD78 citations96
US4720811AJan 19, 1988
Microprocessor capable of stopping its operation at any cycle time
HITACHI LTD87 citations96
US4646271AFeb 24, 1987
Content addressable memory having dual access modes
HITACHI LTD112 citations96
US5283886AFeb 1, 1994
Multiprocessor cache system having three states for generating invalidating signals upon write accesses
HITACHI LTD81 citations95
US7023757B2Apr 4, 2006
Semiconductor device
HITACHI LTD26 citations93
US6601218B2Jul 29, 2003
Semiconductor integrated circuit device
HITACHI LTD16 citations93
US6504402B2Jan 7, 2003
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD16 citations93
US6436741B2Aug 20, 2002
Semiconductor integrated circuit device
HITACHI LTD44 citations93
US6404239B1Jun 11, 2002
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD23 citations93
US6175251B1Jan 16, 2001
Semiconductor integrated circuit device having power reduction
HITACHI LTD17 citations93
US6107836AAug 22, 2000
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD34 citations93
US5555394ASep 10, 1996
Data processor with the ability of fast partial clearing of buffer memory
HITACHI LTD20 citations93
US5394558AFeb 28, 1995
Data processor having an execution unit controlled by an instruction decoder and a microprogram ROM
HITACHI LTD30 citations93
US5386394AJan 31, 1995
Semiconductor memory device for performing parallel operations on hierarchical data lines
HITACHI LTD49 citations93
US5301285AApr 5, 1994
Data processor having two instruction registers connected in cascade and two instruction decoders
HITACHI LTD32 citations93
US4912635AMar 27, 1990
System for reexecuting branch instruction without fetching by storing target instruction control information
HITACHI LTD30 citations93
US6532528B1Mar 11, 2003
Data processor and data processor system having multiple modes of address indexing and operation
HITACHI LTD24 citations92
US6436753B1Aug 20, 2002
Semiconductor integrated circuit and method for manufacturing the same
HITACHI LTD16 citations92
US5454087ASep 26, 1995
Branching system for return from subroutine using target address in return buffer accessed based on branch type information in BHT
HITACHI LTD32 citations92
US5408625AApr 18, 1995
Microprocessor capable of decoding two instructions in parallel
HITACHI LTD26 citations92
US5287484AFeb 15, 1994
Multi-processor system for invalidating hierarchical cache
HITACHI LTD33 citations92
US5146573ASep 8, 1992
Single chip cache with partial-write circuit for transferring a preselected portion of data between memory and buffer register
HITACHI LTD31 citations92
US5140681AAug 18, 1992
Multi-processing system and cache apparatus for use in the same
HITACHI LTD35 citations92
US6515519B1Feb 4, 2003
Semiconductor integrated circuit device
HITACHI LTD36 citations91
US6281711B1Aug 28, 2001
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD11 citations82
US6078986AJun 20, 2000
Processor system using synchronous dynamic memory
HITACHI LTD9 citations82
US6046604AApr 4, 2000
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD13 citations82
US4989140AJan 29, 1991
Single chip pipeline data processor using instruction and operand cache memories for parallel operation of instruction control and executions unit
HITACHI LTD21 citations82
US4937738AJun 26, 1990
Data processing system which selectively bypasses a cache memory in fetching information based upon bit information of an instruction
HITACHI LTD22 citations82
US6356119B2Mar 12, 2002
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD6 citations74
RENESAS TECH CORP
7 patentsUS6715090B1Mar 30, 2004
Processor for controlling substrate biases in accordance to the operation modes of the processor
RENESAS TECH CORP67 citations95
US7750668B2Jul 6, 2010
Semiconductor integrated circuit device having power reduction mechanism
RENESAS TECH CORP13 citations93
US7312640B2Dec 25, 2007
Semiconductor integrated circuit device having power reduction mechanism
RENESAS TECH CORP18 citations93
US6697908B2Feb 24, 2004
Processor system using synchronous dynamic memory
RENESAS TECH CORP18 citations93
US7475261B2Jan 6, 2009
Substrate bias switching unit for a low power processor
RENESAS TECH CORP11 citations83
US7376783B2May 20, 2008
Processor system using synchronous dynamic memory
RENESAS TECH CORP3 citations74
US7143230B2Nov 28, 2006
Processor system using synchronous dynamic memory
RENESAS TECH CORP6 citations74
RENESAS ELECTRONICS CORP
2 patentsHITACHI MICRO SYSTEMS INC
1 patentUCHIYAMA KUNIO
1 patentHORIGUCHI MASASHI
1 patentShowing the top 50 of 73 patents by PatentIndex Score.