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Inventor

Yoshikazu Oka

Inventor
Kawanishi, JP

Overview

13→
Patents
1977–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes23%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations19%
C07DHeterocyclic compounds19%
C07CAcyclic or carbocyclic compounds15%
C07KPeptides15%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves4%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers4%
PatentTitleYear
7,867,514'Method for stabilizing preparation'20117,144,585'Cilostazol preparation'20067,114,395'Vibration detector'20065,098,892'Process for preparation of bicyclic compounds'19924,822,818'Bicycle compounds, their production and use'19894,559,361'Naphthalenecarboxamides, their production and use'19854,521,607'Chromanyl glycines'19854,474,692'L-Alanyl-N-(indan-2-yl)glycine, its esters and salts thereof'19844,472,383'Peptide derivatives, their production and use'19844,199,582'Piperazine containing dihydronaphthalene derivatives and compositions'19804,148,897'1,2-Dihydronaphthalene derivatives and pharmaceutical composition'19794,066,648'Isochroman derivatives'19784,035,363'1,3-BENZOXAZINE DERIVATIVES'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1992Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (9)· patent assignee history
1977–1980Based in Kobe, JP· patent location history
1984–1992Based in Kawanishi, JP· patent location history
1985Patents assigned to SENJU PHARMA CO (1)· patent assignee history
2006–2011Patents assigned to OTSUKA PHARMA CO LTD (2)· patent assignee history
2006Patents assigned to KENWOOD CORP (1)· patent assignee history
2006–2011Based in Tokushima, JP· patent location history
2006Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKEDA CHEMICAL INDUSTRIES LTD91977–1992
OTSUKA PHARMA CO LTD22006–2011
KENWOOD CORP12006
SENJU PHARMA CO11985
Locations
LocationPatentsSpan
Kawanishi, JP61984–1992
Kobe, JP41977–1980
Tokushima, JP22006–2011
Yokohama, JP12006