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Inventor

Tsuneaki Maesawa

Inventor
Kawagoe, JP

Overview

15→
Patents
1998–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 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 bonds18%
C07CAcyclic or carbocyclic compounds12%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
C07BGeneral methods of organic chemistry8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C07DHeterocyclic compounds6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds4%
H01BCables4%
PatentTitleYear
10,862,127Binder for lithium cell, composition for producing electrode, and electrode202010,044,040Binder for lithium cell, composition for producing electrode, and electrode20189,803,161'Cleaning agent for semiconductor substrates and method for processing semiconductor substrate surface'20179,255,070'Method of deuteration using mixed catalyst'20168,093,422'Method for deuteration of an aromatic ring'20127,517,990'Method for deuteration of a heterocyclic ring'20097,495,122'Heavy-hydrogenated norbornyl (meth)acrylates, process for producing them, polymers thereof and optical members'20097,374,857'Bismide compound, acid generator and resist composition each containing the same, and method of forming pattern from the composition'20087,312,014'Resist compositions'20077,101,918'Hybrid type onium salt'20066,716,573'Resist Composition'20046,432,608'Resist composition'20025,973,094'Functional polymers'19995,973,125'Macroazo compound, a process for its production, a macroazo initiator, and a process for its use'19995,854,406'High molecular weight azoamide compound'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2018Patents assigned to WAKO PURE CHEM IND LTD (14)· patent assignee history
1998–2020Based in Kawagoe, JP· patent location history
1999–2009Based in Saitama, JP· patent location history
2012–2016Patents assigned to HIROTA KOSAKU (2)· patent assignee history
2012–2016Patents assigned to ITO NOBUHIRO (2)· patent assignee history
2012–2016Patents assigned to MAESAWA TSUNEAKI (2)· patent assignee history
2012–2016Patents assigned to MUTO KAZUSHIGE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WAKO PURE CHEM IND LTD141998–2018
HIROTA KOSAKU22012–2016
ITO NOBUHIRO22012–2016
MAESAWA TSUNEAKIself22012–2016
MUTO KAZUSHIGE22012–2016
Locations
LocationPatentsSpan
Kawagoe, JP121998–2020
Saitama, JP31999–2009