Inventor

Izumi Matsushita

Inventor
Shizuoka, JP

Overview

15→
Patents
1976–2001
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

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

B41Jprimary
B41JTypewriters19%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables16%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material9%
H01FMagnets9%
Y10TTechnical subjects covered by former us classification9%
B65CLabelling or tagging machines, apparatus, or processes6%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
C04BLime, magnesia6%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2000Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
1988–1998Patents assigned to TOKYO ELECTRIC CO LTD (8)· patent assignee history
1988Patents assigned to SONY CORP (1)· patent assignee history
1988–2001Based in Shizuoka, JP· patent location history
1991–1992Based in Tagata-gun, JP· patent location history
1992–1993Patents assigned to HOKKAI CAN (3)· patent assignee history
1992–1993Based in Koshigaya, JP· patent location history
1997–2000Based in Tokyo, JP· patent location history
1998Based in Nishikamo-gun, JP· patent location history
2001Patents assigned to TOSHIBA TEC KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO ELECTRIC CO LTD81988–1998
HOKKAI CAN31992–1993
NIPPON STEEL CORP31976–2000
SONY CORP11988
TOSHIBA TEC KK12001
Locations
LocationPatentsSpan
Shizuoka, JP61988–2001
Koshigaya, JP31992–1993
Tokyo, JP21997–2000
Tagata-gun, JP21991–1992
Nishikamo-gun, JP11998