Inventor

Wataru Nagata

Inventor

Nishinomiya, JP

Overview

51→

Patents

1977–1987

Patent span

Chemistry

Primary field (CPC C)

Patents· 51 as inventor

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

C07Dprimary

C07DHeterocyclic compounds49%

Y02PClimate change mitigation technologies in the production or processing of goods18%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

C07CAcyclic or carbocyclic compounds5%

A61KPreparations for medical, dental or toiletry purposes4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%

PatentTitleYear

4,705,852'1-oxadethia cephalosporin hydroxamic acid derivatives'1987 4,614,797'Cephalosporin hydroxamic acids'1986 4,605,738'Production of 1-phthalidyl-5-fluorouracil derivatives'1986 4,604,460'1-oxadethiacepham compounds'1986 4,592,865'Azetidinone intermediates for cephalosporin analogs'1986 4,570,018'Fluorocyclopropanes'1986 4,555,578'Mercaptotetrazolylalkanohydroxamic acids, salts and ester thereof'1985 4,539,148'Production of 1-oxacephams and intermediates'1985 4,533,730'1-Oxadethiacepham compounds'1985 4,529,721'Vinylthioacetamido oxacephalosporin derivatives'1985 4,511,738'Process for preparing phosphine oxides'1985 4,508,909'Synthesis of hydroxyethyltetrazolethiol and etherified intermediates therefor'1985 4,504,659'1-Oxadethiacepham compounds'1985 4,478,997'1-Oxadethiacepham compounds'1984 4,448,720'Inversion of the 3.alpha.-amino group attached to the .beta.-lactam ring'1984 4,443,598'1-Oxadethiacepham compounds'1984 4,440,683'Cyclization to form cephem ring and azetidinone intermediates therefor'1984 4,394,505'5-Fluorouracil derivatives'1983 4,366,316'1-Oxadethiacepham compounds and process for producing said compounds'1982 4,346,218'Cyclization process to form cephem ring'1982 4,342,685'Inversion of the 3 .alpha.-amino group attached to the .beta.-lactam ring'1982 4,336,381'5-Fluorouracil derivatives'1982 4,332,722'Cyclization to form cephem ring and intermediates therefor'1982 4,323,567'Arylmalonamido-1-oxadethiacephalosporins'1982 4,283,333'.alpha.-[4-Oxoazetidin-1-yl]-acetic acid compounds useful as intermediates in preparing 1-oxadethiacephalosporins'1981 4,271,296'Oxazolines'1981 4,271,295'Oxazolines'1981 4,254,119'3-Unsubstituted-3-cephem compounds'1981 4,233,216'Azetidinone derivatives and production thereof'1980 4,232,151'Dihydrotriazinylthiooxacephalosporins'1980 4,226,864'7-Substituted aminoacetamido oxadethiacephalosporins'1980 4,223,132'Selective conversion of benzyl alcohol carboxylates to the free acid form'1980 4,220,766'Oxazolines'1980 4,211,779'7.alpha.-Methoxy substituted cephalosporins'1980 4,203,982'Arylmalonamidomethoxycephalosporins'1980 4,201,782'Thiadiazolyl cephalosporin analogs'1980 4,197,402'Cephalosporin analogues'1980 4,183,855'Oxazolinoazetidinylbutyric acid derivatives'1980 4,183,928'Haloarylmalonamidooxacephalosporins'1980 4,180,571'Arylmalonamido-1-oxadethiacephalosporins'1979 4,159,984'Reductive cleavage of oxazolidine compounds'1979 4,160,085'Cyclization to form cephem ring and intermediates therefor'1979 4,143,038'Cephalosporin analogues'1979 4,138,486'Arylmalonamido-1-oxadethiacephalosporins'1979 4,130,557'Method for the hydrolysis of azetidinothiazoline compounds'1978 4,081,595'Reduction giving 3-cephem compounds'1978 4,081,443'Penicillin oxides'1978 4,079,181'Certain 7-oxo-4-thio-2,6-diazabicyclo-3,2,0-hept-2-ene compounds'1978 4,066,641'Method for cyclization to give cephem ring'1978 4,058,521'2-Halomethyl-2-nucleophilic substituted methyl penicillins'1977 4,025,553'Production of o-hydroxybenzyl alcohols'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1987Patents assigned to SHIONOGI & CO (49)· patent assignee history

1977–1986Based in Nishinomiya, JP· patent location history

1978–1982Patents assigned to NAGATA WATARU (2)· patent assignee history

1978–1982Patents assigned to NARISADA MASAYUKI (2)· patent assignee history

1978Patents assigned to HAMASHIMA YOSHIO (1)· patent assignee history

1978Patents assigned to KOMENO TAICHIRO (1)· patent assignee history

1980–1987Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHIONOGI & CO	49	1977–1987
NAGATA WATARUself	2	1978–1982
NARISADA MASAYUKI	2	1978–1982
HAMASHIMA YOSHIO	1	1978
KOMENO TAICHIRO	1	1978

Locations

Location	Patents	Span
Nishinomiya, JP	39	1977–1986
Hyogo, JP	12	1980–1987