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Inventor

Koichi Maeda

Inventor
Tokyo, JP

Overview

4→
Patents
1989–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C08Bprimary
C08BPolysaccharides20%
D21HPulp compositions20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
C08JWorking-up10%
G02BOptical elements, systems or apparatus10%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy10%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
PatentTitleYear
11,073,656Optical coupler and optical amplifier202111,038,158Method for manufacturing a binder composition for lithium-ion secondary battery electrode20214,952,279'Papermaking method'19904,840,705'Papermaking method'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to NISSAN CHEMICAL IND LTD (2)· patent assignee history
1989–1990Based in Funabashi, JP· patent location history
2021Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history
2021Patents assigned to ZEON CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN CHEMICAL IND LTD21989–1990
FURUKAWA ELECTRIC CO LTD12021
ZEON CORP12021
Locations
LocationPatentsSpan
Tokyo, JP22021
Funabashi, JP21989–1990