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Inventor

Yoichiro Sakaguchi

Inventor
Kumagaya, JP

Overview

2→
Patents
2005–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1033%
PatentTitleYear
10,975,227Curing accelerator and radical polymerizable resin composition20216,975,026'Package for mounting semiconductor device'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to HITACHI LTD (1)· patent assignee history
2005Based in Tokyo, JP· patent location history
2021Patents assigned to SHOW A DENKO K K (1)· patent assignee history
2021Patents assigned to SHOWA DENKO KK (1)· patent assignee history
2021Based in Kumagaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD12005
SHOW A DENKO K K12021
SHOWA DENKO KK12021
Locations
LocationPatentsSpan
Kumagaya, JP12021
Tokyo, JP12005