Inventor

Tsuneo Funabashi

Inventor

Tokyo, JP

Overview

1982–1993

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

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

G06Fprimary

G06FElectric digital data processing67%

H03MCoding17%

G11CStatic stores8%

H03KPulse technique8%

PatentTitleYear

5,222,227'Direct memory access controller for a multi-microcomputer system'1993 5,047,920'Hierarchal system for reducing memory access time to plural equal sized memories by simultaneously addressing and accessing memory'1991 5,019,962'Direct memory access controller for a multi-microcomputer system'1991 4,894,768'Data processing system with coprocessor'1990 4,773,002'Microprogram controller in which instruction following conditional branch instruction is selectively converted to a NOP instruction'1988 4,716,522'Microcomputer system with buffer in peripheral storage control'1987 4,677,623'Decoding method and apparatus for cyclic codes'1987 4,674,037'Data processing system with an enhanced communication control system'1987 4,387,294'Shift register-latch circuit driven by clocks with half cycle phase deviation and usable with a serial alu'1983 4,353,030'Pulse frequency multiplier circuit'1982 4,319,226'Signal converter utilizing two clock signals'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1993Patents assigned to HITACHI LTD (11)· patent assignee history

1982–1987Based in Hachioji, JP· patent location history

1983Based in Hachiouji, JP· patent location history

1987–1993Based in Tokyo, JP· patent location history

1987Based in Bunkyo-ku, JP· patent location history

1990Patents assigned to HITACHI ENG CO LTD (1)· patent assignee history

1990Patents assigned to HITACHI MICROCUMPUTER ENG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	11	1982–1993
HITACHI ENG CO LTD	1	1990
HITACHI MICROCUMPUTER ENG	1	1990

Locations

Location	Patents	Span
Tokyo, JP	6	1987–1993
Hachioji, JP	3	1982–1987
Bunkyo-ku, JP	1	1987
Hachiouji, JP	1	1983