Inventor

Hisatake Yokouchi

Inventor
Tokyo, JP

Overview

22→
Patents
1978–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 22 as inventor

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

H05Gprimary
H05GX-ray technique33%
H04NPictorial communication, e.g. television30%
H01JElectric discharge tubes or discharge lamps10%
A61BDiagnosis5%
G01TMeasurement of nuclear or x-radiation5%
G06VImage or video recognition or understanding5%
G21KHandling of particles or ionising radiation not otherwise provided for5%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G06TImage data processing or generation, in general3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1989Patents assigned to HITACHI LTD (6)· patent assignee history
1978–1979Based in Hachioji, JP· patent location history
1984Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1984–1995Based in Nishitama-gun, JP· patent location history
1989–2002Patents assigned to HITACHI MEDICAL CORP (16)· patent assignee history
1989Patents assigned to HITACHI LTD & HITACHI MEDICAL (1)· patent assignee history
1989–2002Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI MEDICAL CORP161989–2002
HITACHI LTD61978–1989
HITACHI LTD & HITACHI MEDICAL11989
NIPPON TELEGRAPH & TELEPHONE11984
Locations
LocationPatentsSpan
Tokyo, JP151989–2002
Nishitama-gun, JP51984–1995
Hachioji, JP21978–1979