Inventor

Tatsushi Igarashi

Inventor
Himeji, JP

Overview

20→
Patents
1985–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 20 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps32%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices14%
G02BOptical elements, systems or apparatus9%
A61LMethods or apparatus for sterilising materials or objects in general7%
A61NElectrotherapy7%
H05BElectric heating7%
C12MApparatus for enzymology or microbiology5%
C12NMicroorganisms or enzymes5%
B08BCleaning in general2%
C03CChemical composition of glasses, glazes or vitreous enamels2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2021Patents assigned to USHIO ELECTRIC INC (20)· patent assignee history
1985–1998Based in Hyogo, JP· patent location history
1995Patents assigned to NIPPON KOGAKU KK (1)· patent assignee history
1995–1999Based in Himeji, JP· patent location history
1999–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
USHIO ELECTRIC INC201985–2021
NIPPON KOGAKU KK11995
Locations
LocationPatentsSpan
Himeji, JP91995–1999
Hyogo, JP61985–1998
Tokyo, JP51999–2021