Inventor

Seiji Fukuhara

Inventor

Yokkaichi, JP

Overview

5→

Patents

1976–2005

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.

C07Cprimary

C07CAcyclic or carbocyclic compounds30%

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

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%

A61KPreparations for medical, dental or toiletry purposes10%

A61QSpecific use of cosmetics or similar toiletry preparations10%

PatentTitleYear

6,846,890'Norbornene derivative and norbornene polymer obtained therefrom through ring opening polymerization'2005 5,852,109'Poly-.alpha.-amino acid particles, emulsions containing the same and process for preparing the same'1998 4,217,299'Method for converting unsaturated compound having functional group'1980 4,011,386'Process for producing polymers or copolymers of norbornene-carboxylic acid amides'1977 3,974,196'Method for disproportionating ethylenically unsaturated compounds having functional ester groups'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (3)· patent assignee history

1976–1980Based in Yokkaichi, JP· patent location history

1977Based in Kawasaki, JP· patent location history

1998–2005Patents assigned to JSR CORP (2)· patent assignee history

1998Based in Kawagoe, JP· patent location history

2005Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN SYNTHETIC RUBBER CO LTD	3	1976–1980
JSR CORP	2	1998–2005

Locations

Location	Patents	Span
Yokkaichi, JP	2	1976–1980
Chiba, JP	1	2005
Kawagoe, JP	1	1998
Kawasaki, JP	1	1977