Inventor

Toshimasa Kawai

Inventor
Yokohama, JP

Overview

21→
Patents
1997–2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 21 as inventor

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

A61Bprimary
A61BDiagnosis68%
G02BOptical elements, systems or apparatus19%
G05BControl or regulating systems in general6%
G01BMeasuring length, thickness or similar linear dimensions3%
Y10TTechnical subjects covered by former us classification3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2003Patents assigned to OLYMPUS OPTICAL CO (7)· patent assignee history
1997–2000Based in Tokyo, JP· patent location history
2000–2003Based in Hachioji, JP· patent location history
2003–2018Based in Yokohama, JP· patent location history
2006–2018Patents assigned to OLYMPUS CORP (9)· patent assignee history
2012–2014Patents assigned to KAWAI TOSHIMASA (6)· patent assignee history
2012–2014Patents assigned to OLYMPUS MEDICAL SYSTEMS CORP (5)· patent assignee history
2014Patents assigned to ARAI KEIICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS CORP92006–2018
OLYMPUS OPTICAL CO71997–2003
KAWAI TOSHIMASAself62012–2014
OLYMPUS MEDICAL SYSTEMS CORP52012–2014
ARAI KEIICHI12014
Locations
LocationPatentsSpan
Yokohama, JP152003–2018
Hachioji, JP32000–2003
Tokyo, JP31997–2000