LexDanaLexDanabeta
Inventor

Yoshinori Kishi

Inventor
Hitachi, JP

Overview

4→
Patents
1981–2011
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling50%
F16CShafts25%
H01JElectric discharge tubes or discharge lamps25%
PatentTitleYear
8,030,611'Mass spectrometer, method of mass spectrometry and program for mass spectrometry'20116,176,349'Bearing lubricating device'20014,438,155'Fabrication of composite metal wire'19844,291,644'Apparatus for fabricating composite metal wire'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to HITACHI CABLE (2)· patent assignee history
1981–1984Based in Hitachi, JP· patent location history
2001Patents assigned to SKF JAPAN LTD (1)· patent assignee history
2001Based in Tokyo, JP· patent location history
2011Patents assigned to HITACHI HIGH TECH CORP (1)· patent assignee history
2011Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CABLE21981–1984
HITACHI HIGH TECH CORP12011
SKF JAPAN LTD12001
Locations
LocationPatentsSpan
Hitachi, JP21981–1984
Hitachinaka, JP12011
Tokyo, JP12001