Inventor

Kazuo Umezawa

Inventor
Tokyo, JP

Overview

8→
Patents
1989–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 8 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes26%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%
C07DHeterocyclic compounds17%
C07CAcyclic or carbocyclic compounds9%
C07HSugars9%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
C07KPeptides4%
C12NMicroorganisms or enzymes4%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2013Based in Tokyo, JP· patent location history
1991–2003Patents assigned to ZAIDAN HOJIN BISEIBUTSU (3)· patent assignee history
1996–2013Patents assigned to UMEZAWA KAZUO (4)· patent assignee history
1996Based in Shibuya-ku, JP· patent location history
2012–2013Patents assigned to UNIV KEIO (3)· patent assignee history
2012Patents assigned to FUJII MIKIO (1)· patent assignee history
2012–2013Based in Kanagawa, JP· patent location history
2013Patents assigned to ISHIKAWA YUICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UMEZAWA KAZUOself41996–2013
UNIV KEIO32012–2013
ZAIDAN HOJIN BISEIBUTSU31991–2003
FUJII MIKIO12012
ISHIKAWA YUICHI12013
Locations
LocationPatentsSpan
Tokyo, JP51989–2013
Kanagawa, JP22012–2013
Shibuya-ku, JP11996