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Inventor

Kazuyuki Fujimoto

Inventor
Tokyo, JP

Overview

4→
Patents
1984–2005
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H05Bprimary
H05BElectric heating22%
B41JTypewriters11%
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds11%
C23CCoating metallic material11%
H01CResistors11%
H01JElectric discharge tubes or discharge lamps11%
H10NElectric solid-state devices not otherwise provided for11%
PatentTitleYear
6,896,866'Method for purification of tungsten hexafluoride'20054,517,444'Thermal printhead'19854,460,494'Resistor'19844,444,635'Film forming method'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1985Patents assigned to HITACHI LTD (3)· patent assignee history
1984–1985Based in Tokyo, JP· patent location history
2005Patents assigned to STELLA CHEMIFA KK (1)· patent assignee history
2005Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31984–1985
STELLA CHEMIFA KK12005
Locations
LocationPatentsSpan
Tokyo, JP31984–1985
Osaka, JP12005