Inventor

Masazumi Watanabe

Inventor
Kawanishi, JP

Overview

26→
Patents
1976–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 26 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds21%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
C07DHeterocyclic compounds13%
A61KPreparations for medical, dental or toiletry purposes11%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for6%
A23FCoffee4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
C12GWine4%
C12HPasteurisation, sterilisation, preservation, purification, clarification or ageing of alcoholic beverages4%
C12NMicroorganisms or enzymes4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2001Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (21)· patent assignee history
1976–1983Based in Osaka, JP· patent location history
1977–1985Based in Takatsuki, JP· patent location history
1978–2001Based in Kawanishi, JP· patent location history
1983–1985Patents assigned to KIKKOMAN CORP (4)· patent assignee history
1983–1985Based in Kashiwa, JP· patent location history
1985Patents assigned to MANN S WINE CO LTD (1)· patent assignee history
1999–2001Patents assigned to SHISEIDO CO LTD (2)· patent assignee history
2013Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
2013Based in Sayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKEDA CHEMICAL INDUSTRIES LTD211976–2001
KIKKOMAN CORP41983–1985
SHISEIDO CO LTD21999–2001
HONDA MOTOR CO LTD12013
MANN S WINE CO LTD11985
Locations
LocationPatentsSpan
Kawanishi, JP121978–2001
Osaka, JP51976–1983
Kashiwa, JP41983–1985
Takatsuki, JP21977–1985
Sayama, JP12013