Inventor

Jun Imai

Inventor
Kanagawa, JP

Overview

20→
Patents
1976–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 20 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps21%
A61KPreparations for medical, dental or toiletry purposes17%
C10GCracking hydrocarbon oils10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
C10MLubricating compositions7%
LOC217%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
A63HToys, e.g. tops, dolls, hoops or building blocks3%
C07GCompounds of unknown constitution3%
C08BPolysaccharides3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1997Patents assigned to KYORIN SEIYAKU KK (5)· patent assignee history
1981–1989Patents assigned to MITSUBISHI ELECTRIC CORP (6)· patent assignee history
1981–1982Based in Kamakura, JP· patent location history
1984–1989Based in Hiratsuka, JP· patent location history
1988–1992Patents assigned to IDEMITSU KOSAN CO (3)· patent assignee history
1988–1992Patents assigned to KOBE STEEL LTD (3)· patent assignee history
1988–1992Based in Sagamihara, JP· patent location history
1992–1997Based in Kanagawa, JP· patent location history
2006–2012Patents assigned to MATTEL INC (3)· patent assignee history
2006–2012Based in Torrance, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP61981–1989
KYORIN SEIYAKU KK51976–1997
IDEMITSU KOSAN CO31988–1992
KOBE STEEL LTD31988–1992
MATTEL INC32006–2012
Locations
LocationPatentsSpan
Kanagawa, JP41992–1997
Hiratsuka, JP41984–1989
Torrance, California, US32006–2012
Sagamihara, JP31988–1992
Kamakura, JP21981–1982