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Inventor

Yoshiaki Aoyama

Inventor
Ichihara, JP

Overview

9→
Patents
1997–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 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 bonds40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
G06FElectric digital data processing13%
C07DHeterocyclic compounds7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
H05BElectric heating7%
H10KOrganic electric solid-state devices7%
PatentTitleYear
8,268,457'Organic electroluminescent device and material for organic electroluminescent device'20127,111,015'Apparatus and method for searching files'2006RE037064'Process for producing styrenic polymer'20016,075,102'Polymerization catalyst and process for producing polymers'20005,838,967'Image filing apparatus and method for storing image data and directory information'19985,807,940'Catalyst for polymerization and process for producing a styrenic polymer by using the catalyst'19985,756,612'Process for producing styrenic polymer'19985,623,034'Process for producing styrenic polymer'19975,596,055'Process for producing styrenic polymer'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2012Patents assigned to IDEMITSU KOSAN CO (7)· patent assignee history
1997–2001Based in Ichihara, JP· patent location history
1998–2006Patents assigned to TEAC CORP (2)· patent assignee history
1998–2006Based in Tokyo, JP· patent location history
2012Patents assigned to AOYAMA YOSHIAKI (1)· patent assignee history
2012Patents assigned to HOSOKAWA CHISHIO (1)· patent assignee history
2012Patents assigned to KIJIMA YASUNORI (1)· patent assignee history
2012Based in Sodegaura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO71997–2012
TEAC CORP21998–2006
AOYAMA YOSHIAKIself12012
HOSOKAWA CHISHIO12012
KIJIMA YASUNORI12012
Locations
LocationPatentsSpan
Ichihara, JP61997–2001
Tokyo, JP21998–2006
Sodegaura, JP12012