P

Inventor

AOKI MASAKAZU

JP152 patents
⚠️ This page may combine multiple inventors who share the name “AOKI MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

43 patents
US5910924AJun 8, 1999

Semiconductor integrated circuit including voltage converter effective at low operational voltages

HITACHI LTD154 citations99
US5724297AMar 3, 1998

Semiconductor integrated circuit device and method of activating the same

HITACHI LTD138 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
US5539279AJul 23, 1996

Ferroelectric memory

HITACHI LTD218 citations99
US4661929AApr 28, 1987

Semiconductor memory having multiple level storage structure

HITACHI LTD239 citations99
US6535435B2Mar 18, 2003

Reference voltage generator permitting stable operation

HITACHI LTD82 citations98
US6335893B1Jan 1, 2002

Semiconductor integrated circuit device

HITACHI LTD91 citations98
US5629898AMay 13, 1997

Dynamic memory device, a memory module, and a method of refreshing a dynamic memory device

HITACHI LTD142 citations98
US5274601ADec 28, 1993

Semiconductor integrated circuit having a stand-by current reducing circuit

HITACHI LTD150 citations98
US4942556AJul 17, 1990

Semiconductor memory device

HITACHI LTD125 citations98
US6696865B2Feb 24, 2004

Semiconductor integrated circuit device having power reduction mechanism

HITACHI LTD32 citations96
US6337817B1Jan 8, 2002

Semiconductor device having redundancy circuit

HITACHI LTD34 citations96
US6222406B1Apr 24, 2001

Semiconductor integrated circuit device, semiconductor memory system and clock synchronous circuit

HITACHI LTD55 citations96
US6128248AOct 3, 2000

Semiconductor memory device including a clocking circuit for controlling the read circuit operation

HITACHI LTD50 citations96
US5955905ASep 21, 1999

Signal generator with synchronous mirror delay circuit

HITACHI LTD54 citations96
US5926430AJul 20, 1999

Semiconductor integrated circuit device and method of activating the same

HITACHI LTD52 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
US5617365AApr 1, 1997

Semiconductor device having redundancy circuit

HITACHI LTD48 citations96
US5600163AFeb 4, 1997

Semiconductor element and semiconductor memory device using the same

HITACHI LTD32 citations96
US5455786AOct 3, 1995

Ferroelectric memory

HITACHI LTD62 citations96
US5426616AJun 20, 1995

Semiconductor IC device having a voltage conversion circuit which generates an internal supply voltage having value compensated for external supply voltage variations

HITACHI LTD95 citations96
US5384740AJan 24, 1995

Reference voltage generator

HITACHI LTD54 citations96
US5272393ADec 21, 1993

Voltage converter of semiconductor device

HITACHI LTD66 citations96
US5265055ANov 23, 1993

Semiconductor memory having redundancy circuit

HITACHI LTD59 citations96
US5262993ANov 16, 1993

Semiconductor memory having redundancy circuit with means to switch power from a normal memory block to a spare memory block

HITACHI LTD41 citations96
US5056095AOct 8, 1991

Semiconductor memory having error correction circuit

HITACHI LTD76 citations96
US4994688AFeb 19, 1991

Semiconductor device having a reference voltage generating circuit

HITACHI LTD105 citations96
US4726021AFeb 16, 1988

Semiconductor memory having error correcting means

HITACHI LTD71 citations96
US4701884AOct 20, 1987

Semiconductor memory for serial data access

HITACHI LTD120 citations96
US4653025AMar 24, 1987

Random access memory with high density and low power

HITACHI LTD58 citations96
US5364250ANov 15, 1994

Oil-free screw compressor and method of manufacture

HITACHI LTD65 citations95
US6611458B2Aug 26, 2003

Semiconductor integrated circuit device

HITACHI LTD23 citations93
US6504402B2Jan 7, 2003

Semiconductor integrated circuit device having power reduction mechanism

HITACHI LTD16 citations93
US6461112B1Oct 8, 2002

Screw compression apparatus and operation control method thereof

HITACHI LTD39 citations93
US6414530B2Jul 2, 2002

Semiconductor integrated circuit device, semiconductor memory system and clock synchronous circuit

HITACHI LTD19 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
US5818792AOct 6, 1998

Semiconductor memory device and memory module using the same

HITACHI LTD19 citations93
US5528548AJun 18, 1996

Voltage converter of semiconductor device

HITACHI LTD42 citations93
US5447422ASep 5, 1995

Air-cooled oil-free rotary-type compressor

HITACHI LTD20 citations93

RENESAS TECH CORP

5 patents

KAO CORP

1 patent

FUJI HEAVY IND LTD

1 patent

Showing the top 50 of 152 patents by PatentIndex Score.