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Inventor

Eiichi Matsui

Inventor
Tokyo, JP

Overview

2→
Patents
2009–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Bprimary
A61BDiagnosis33%
F16DCouplings for transmitting rotation33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
11,064,919Non-invasive monitor for measuring regional saturation of oxygen20217,473,727'Friction material for transmission'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to TANAKA SEIMITSU KOGYO CO LTD (1)· patent assignee history
2009Based in Toyama, JP· patent location history
2021Patents assigned to KOHKEN MEDICAL CO LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOHKEN MEDICAL CO LTD12021
TANAKA SEIMITSU KOGYO CO LTD12009
Locations
LocationPatentsSpan
Tokyo, JP12021
Toyama, JP12009