Inventor

Eiji Sakakibara

Inventor

Kodaira, JP

Overview

1996–2006

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing100%

PatentTitleYear

6,996,700'Microcomputer and dividing circuit'2006 6,343,357'Microcomputer and dividing circuit'2002 6,272,620'Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation'2001 6,253,308'Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word'2001 6,205,535'Branch instruction having different field lengths for unconditional and conditional displacements'2001 6,131,154'Microcomputer having variable bit width area for displacement'2000 6,122,724'Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation'2000 5,991,545'Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word'1999 5,987,589'Microcomputer and microcomputer system'1999 5,969,976'Division circuit and the division method thereof'1999 5,748,977'Multiply connectable microprocessor and microprocessor system'1998 5,682,545'Microcomputer having 16 bit fixed length instruction format'1997 5,530,965'Multiply connectable microprocessor and microprocessor system'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2002Patents assigned to HITACHI LTD (12)· patent assignee history

1996–2000Patents assigned to HITACHI MICROCOMPUTER SYST (7)· patent assignee history

1996–1999Patents assigned to HITACHI ULSI ENG CORP (3)· patent assignee history

1996–2006Based in Kodaira, JP· patent location history

1997–2002Patents assigned to HITACHI VLSI ENG (7)· patent assignee history

2001–2002Patents assigned to HITACHI MICROCOMP SYSTEM LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	12	1996–2002
HITACHI MICROCOMPUTER SYST	7	1996–2000
HITACHI VLSI ENG	7	1997–2002
HITACHI MICROCOMP SYSTEM LTD	3	2001–2002
HITACHI ULSI ENG CORP	3	1996–1999

Locations

Location	Patents	Span
Kodaira, JP	13	1996–2006