Inventor

Keishin Handa

Inventor
Kanagawa, JP

Overview

11→
Patents
1992–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C08Jprimary
C08JWorking-up11%
G02BOptical elements, systems or apparatus11%
C08LCompositions of macromolecular compounds9%
H10KOrganic electric solid-state devices9%
Y10TTechnical subjects covered by former us classification9%
B82YSpecific uses or applications of nanostructures7%
H05BElectric heating7%
H05KPrinted circuits7%
B29CShaping or joining of plastics5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Based in Kurashiki, JP· patent location history
1997–2015Patents assigned to MITSUBISHI CHEM CORP (10)· patent assignee history
2001–2015Based in Kanagawa, JP· patent location history
2004–2010Based in Yokkaichi, JP· patent location history
2007Based in Mie, JP· patent location history
2008–2015Patents assigned to ROHM CO LTD (3)· patent assignee history
2008–2010Patents assigned to HITACHI LTD (2)· patent assignee history
2008–2010Patents assigned to PIONEER CORP (2)· patent assignee history
2010Based in Yokohama, JP· patent location history
2012–2015Patents assigned to HANDA KEISHIN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CHEM CORP101997–2015
ROHM CO LTD32008–2015
HANDA KEISHINself22012–2015
HITACHI LTD22008–2010
PIONEER CORP22008–2010
Locations
LocationPatentsSpan
Kanagawa, JP42001–2015
Yokkaichi, JP32004–2010
Kurashiki, JP21992–1997
Yokohama, JP12010
Mie, JP12007