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Inventor

Norio Kawahara

Inventor
Ageo, JP

Overview

4→
Patents
1976–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds43%
A01NPreservation of bodies of humans or animals or plants or parts thereof14%
A61LMethods or apparatus for sterilising materials or objects in general14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
C07HSugars14%
PatentTitleYear
10,695,467Antibacterial member20204,939,156'New tetramethyl-cis-diaza-bicyclo{4.2.0}octane-3,5-dione derivatives having differentiation-inducing activity and antiviral activity'19904,068,074'Cephalosporin derivatives having at the 3-position of the cephem ring a heterocyclic thiomethyl group with a carboxy or sulfo group and at the 7-position of the cephem ring an .alpha.-heterocylic acylaminophenyl-acetamide group'19783,953,428'Ampicillin derivatives substituted by heterocyclic acyl group'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to YAMANOUCHI PHARMA CO LTD (2)· patent assignee history
1976–1978Based in Ageo, JP· patent location history
1990Patents assigned to MEIJI SEIKA KAISHA (1)· patent assignee history
1990Based in Sapporo, JP· patent location history
2020Patents assigned to KANAZAWA INSTITUTE OF TECH (1)· patent assignee history
2020Patents assigned to KANAZAWA MEDICAL UNIV (1)· patent assignee history
2020Patents assigned to ONWARD CERAM COATING CO LTD (1)· patent assignee history
2020Based in Ishikawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMANOUCHI PHARMA CO LTD21976–1978
KANAZAWA INSTITUTE OF TECH12020
KANAZAWA MEDICAL UNIV12020
MEIJI SEIKA KAISHA11990
ONWARD CERAM COATING CO LTD12020
Locations
LocationPatentsSpan
Ageo, JP21976–1978
Ishikawa, JP12020
Sapporo, JP11990