Inventor

Hikoichi Nagano

Inventor

Otsu, JP

Overview

5→

Patents

1976–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds30%

B29CShaping or joining of plastics10%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts10%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%

C07BGeneral methods of organic chemistry10%

C07CAcyclic or carbocyclic compounds10%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

11,098,007Crystal of amino acid salt of 3-hydroxyisovaleric acid and production method thereof2021 4,578,166'Process of actinic irradiation of shaped polyester imide containing benzophenone tetracarboxylic diimide group and cross-linked product'1986 4,140,677'Shaped article of polymers prepared from (.beta.-hydroxyethyl)-trimellitic acid imide'1979 4,133,802'Meta-xylylene diamine/aliphatic dicarboxylic acid polyamide film'1979 3,946,089'Block copolymer of polyamide and polyether, and its preparation and use'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to TOYO BOSEKI (4)· patent assignee history

1976–1986Based in Otsu, JP· patent location history

2021Patents assigned to KYOWA HAKKO BIO CO LTD (1)· patent assignee history

2021Patents assigned to OTSUKA PHARMA FACTORY INC (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYO BOSEKI	4	1976–1986
KYOWA HAKKO BIO CO LTD	1	2021
OTSUKA PHARMA FACTORY INC	1	2021

Locations

Location	Patents	Span
Otsu, JP	4	1976–1986
Tokyo, JP	1	2021