Inventor

Seiji Hasegawa

Inventor

Omuta, JP

Overview

13→

Patents

1978–2019

Patent span

Chemistry

Primary field (CPC C)

Patents· 13 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds23%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

C08LCompositions of macromolecular compounds10%

B41MPrinting, duplicating, marking, or copying processes6%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%

C09DCoating compositions, e.g. paints, varnishes or lacquers6%

H05KPrinted circuits6%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for3%

A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation3%

PatentTitleYear

10,259,772Agents for maintaining undifferentiated state and promoting proliferation of stem cells2019 6,268,527'Method for producing benzoic acid derivatives'2001 6,166,141'Fluorine-containing resin for preparing paint'2000 5,859,123'Water-based fluorine-containing emulsion'1999 5,840,369'Polyimide precursor composition, polyimide composition, process for the production of said polyimide precursor composition, and process for the production of said polymide composition'1998 5,686,525'Polyimide precursor composition and the production of said polyimide precursor composition'1997 5,478,918'Low stress polyimide composition and precursor composition solution of same'1995 4,319,018'Process for producing polymethylene polyphenyl polycarbamates'1982 4,307,029'Process for preparing polymethylene-polyphenyl polyisocyanates'1981 4,227,008'Process for preparing aromatic urethanes'1980 4,178,455'Process for preparing aromatic urethanes'1979 4,170,708'Process for preparing aromatic urethanes'1979 4,080,365'Process for preparing aromatic urethanes'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1982Patents assigned to MITSUI TOATSU CHEMICALS (6)· patent assignee history

1978–1980Based in Omuta, JP· patent location history

1995–2001Patents assigned to CENTRAL GLASS CO LTD (6)· patent assignee history

1997–1999Based in Higashimatsuyama, JP· patent location history

2000Based in Saitama, JP· patent location history

2001Based in Yamaguchi, JP· patent location history

2019Patents assigned to NIPPON MENARD COSMETIC CO LTD (1)· patent assignee history

2019Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CENTRAL GLASS CO LTD	6	1995–2001
MITSUI TOATSU CHEMICALS	6	1978–1982
NIPPON MENARD COSMETIC CO LTD	1	2019

Locations

Location	Patents	Span
Omuta, JP	4	1978–1980
Higashimatsuyama, JP	3	1997–1999
Nagoya, JP	1	2019
Yamaguchi, JP	1	2001
Saitama, JP	1	2000