Inventor

Kenzo Oba

Inventor
Tochigi, JP

Overview

4→
Patents
2002–2011
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids33%
A61KPreparations for medical, dental or toiletry purposes17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
F16KValves17%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2005Patents assigned to SHOWA CORP (3)· patent assignee history
2002Based in Haga-gun, JP· patent location history
2003–2005Based in Tochigi, JP· patent location history
2011Patents assigned to MITSUBISHI TANABE PHARMA CORP (1)· patent assignee history
2011Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA CORP32002–2005
MITSUBISHI TANABE PHARMA CORP12011
Locations
LocationPatentsSpan
Tochigi, JP22003–2005
Tokyo, JP12011
Haga-gun, JP12002