Inventor

Seiji Iwasaki

Inventor
Hachioji, JP

Overview

13→
Patents
1992–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 13 as inventor

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

A61Bprimary
A61BDiagnosis38%
G02BOptical elements, systems or apparatus22%
F03GSpring, weight, inertia or like motors9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
A61NElectrotherapy6%
H04NPictorial communication, e.g. television6%
G01DMeasuring not specially adapted for a specific variable3%
G06FElectric digital data processing3%
G10KSound-producing devices3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1998Patents assigned to OLYMPUS OPTICAL CO (3)· patent assignee history
1992–2014Based in Hachioji, JP· patent location history
1993Based in Tokyo, JP· patent location history
1998Based in Nishikamo-gun, JP· patent location history
2011–2014Patents assigned to OLYMPUS MEDICAL SYSTEMS CORP (7)· patent assignee history
2012–2016Patents assigned to IWASAKI SEIJI (5)· patent assignee history
2012–2013Patents assigned to ISHII HIROSHI (3)· patent assignee history
2013–2018Patents assigned to OLYMPUS CORP (3)· patent assignee history
2016–2018Based in Iruma, JP· patent location history
2021Based in Kashiwa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS MEDICAL SYSTEMS CORP72011–2014
IWASAKI SEIJIself52012–2016
ISHII HIROSHI32012–2013
OLYMPUS CORP32013–2018
OLYMPUS OPTICAL CO31992–1998
Locations
LocationPatentsSpan
Hachioji, JP81992–2014
Iruma, JP22016–2018
Kashiwa, JP12021
Nishikamo-gun, JP11998
Tokyo, JP11993