LexDanaLexDanabeta
Inventor

Hiroshi Toita

Inventor
Katsuta, JP

Overview

2→
Patents
1991–1992
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps100%
PatentTitleYear
5,086,227'Secondary ion mass analyzing apparatus'19925,008,537'Composite apparatus with secondary ion mass spectrometry instrument and scanning electron microscope'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to HITACHI INSTRUMENTS ENG (2)· patent assignee history
1991–1992Patents assigned to HITACHI LTD (2)· patent assignee history
1991–1992Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI INSTRUMENTS ENG21991–1992
HITACHI LTD21991–1992
Locations
LocationPatentsSpan
Katsuta, JP21991–1992