Inventor

Shooji Kitazawa

Inventor

Tokyo, JP

Overview

1987–2001

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.

G11Cprimary

G11CStatic stores69%

H10BElectronic memory devices15%

H10DInorganic electric semiconductor devices15%

PatentTitleYear

6,233,168'Non-volatile semiconductor memory capable of reducing parasitic current'2001 6,147,912'Non-volatile semiconductor memory and method for reading data stored therein'2000 5,204,542'Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring'1993 5,056,062'Method of operating an EPROM including delaying and boosting steps'1991 5,051,953'EEPROM device including read, write, and erase voltage switching circuits'1991 5,031,148'MOS semiconductor memory device'1991 4,987,464'Encapsulated FET semiconductor device with large W/L ratio'1991 4,967,399'Erasable and programmable read-only memory system'1990 4,935,791'Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring'1990 4,924,280'Semiconductor fet with long channel length'1990 4,899,309'Current sense circuit for a ROM system'1990 4,884,239'Method for erasing data in a semiconductor memory device'1989 4,709,352'MOS read-only memory systems'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2001Patents assigned to OKI ELECTRIC IND CO LTD (13)· patent assignee history

1987–2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OKI ELECTRIC IND CO LTD	13	1987–2001

Locations

Location	Patents	Span
Tokyo, JP	13	1987–2001