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Inventor

Motoki Yonekawa

Inventor
Sapporo, JP

Overview

4→
Patents
1985–1996
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body60%
A61BDiagnosis20%
B26FPerforating20%
PatentTitleYear
5,516,431'Method of washing secondary filter in process for filtering plasma'19965,460,715'Apparatus for filtering plasma'19955,314,624'Process for filtering plasma and regenerating a secondary filter therefor'19944,560,373'Surgical nozzle apparatus'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to SUGINO MACH (1)· patent assignee history
1985Based in Tokyo, JP· patent location history
1994–1996Patents assigned to OTSUKA PHARMA CO LTD (3)· patent assignee history
1994–1996Based in Sapporo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTSUKA PHARMA CO LTD31994–1996
SUGINO MACH11985
Locations
LocationPatentsSpan
Sapporo, JP31994–1996
Tokyo, JP11985