Inventor

Naoki Murata

Inventor
Tokyo, JP

Overview

9→
Patents
1992–2020
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.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
B01DSeparation4%
B05BSpraying apparatus4%
B29CShaping or joining of plastics4%
B29DProducing particular articles from plastics or from substances in a plastic state4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C08JWorking-up4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2007Patents assigned to NGK INSULATORS LTD (3)· patent assignee history
1992–2007Based in Nagoya, JP· patent location history
2001Patents assigned to ASAHI OPTICAL CO LTD (1)· patent assignee history
2001Based in Tochigi, JP· patent location history
2006–2020Patents assigned to ZEON CORP (2)· patent assignee history
2006Based in Chita-gun, JP· patent location history
2006Based in Kawasaki, JP· patent location history
2017–2020Patents assigned to SHOWA DENKO KK (2)· patent assignee history
2017–2020Based in Tokyo, JP· patent location history
2019Patents assigned to EAGLE IND CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NGK INSULATORS LTD31992–2007
SHOWA DENKO KK22017–2020
ZEON CORP22006–2020
ASAHI OPTICAL CO LTD12001
EAGLE IND CO LTD12019
Locations
LocationPatentsSpan
Tokyo, JP42017–2020
Nagoya, JP21992–2007
Chita-gun, JP12006
Kawasaki, JP12006
Tochigi, JP12001