Inventor

Yukihiro Tsutsumi

Inventor
Yamaguchi, JP

Overview

23→
Patents
1981–1991
Patent span
Chemistry
Primary field (CPC C)

Patents· 23 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds49%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
H01BCables5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10TTechnical subjects covered by former us classification5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
C07DHeterocyclic compounds3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
PatentTitleYear
5,015,526'Radiation-resistant high molecular composition'19915,004,567'Process for producing fluorine-containing aliphatic carboxylic acids'19914,980,507'Process for producing polyethylenepolyamine'19904,914,247'Process for preparing para-substituted halogenobenzene derivatives'19904,906,782'Process for preparation of alkyleneamines'19904,900,766'Radiation-resistant high molecular composition'19904,898,998'Process for producing brominated acenaphthylene condensates'19904,861,929'Process for producing halogenated benzene derivative using zeolite catalyst'19894,849,560'Process for preparation of halogenated benzene derivatives'19894,845,297'Process for producing polyamines'19894,792,644'Preparation of halogenated benzene derivatives'19884,760,211'Process for producing brominated acenaphthylene and its condensates'19884,740,641'Producing a halogenated benzene derivative using zeolite catalyst treated with alkali solution of pH 11 or more'19884,731,493'Process for producing condensed bromoacenaphthylene'19884,625,064'Method for producing bis [.beta.(N,N-dimethylamino)ethyl]ether'19864,617,286'Catalyst for polyurethane having delay property'19864,528,410'Process for preparation of alcohols by hydration of olefins'19854,492,803'Method for producing bis[.beta.-(N,N-dimethylamino)alkyl]-ether'19854,490,556'Method for preparing bis[.beta.-(N,N-dimethylamino)ethyl]ether'19844,277,414'Process for producing catalyst'19814,275,243'Process for producing hydroxybutyraldehyde'19814,263,449'Process for producing alcohols'19814,247,708'Method for rendering fine oxide powder hydrophobic'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1991Patents assigned to TOYO SODA MFG CO LTD (18)· patent assignee history
1981–1990Based in Tokuyama, JP· patent location history
1981Based in Shinnanyo, JP· patent location history
1986–1991Based in Yamaguchi, JP· patent location history
1988–1991Patents assigned to TOSOH CORP (5)· patent assignee history
1990–1991Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
1990–1991Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO SODA MFG CO LTD181981–1991
TOSOH CORP51988–1991
FURUKAWA ELECTRIC CO LTD21990–1991
Locations
LocationPatentsSpan
Yamaguchi, JP101986–1991
Tokuyama, JP71981–1990
Kawasaki, JP31990–1991
Shinnanyo, JP31981