Inventor

Masahiro Koya

Inventor
Kodaira, JP

Overview

10→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication28%
H04BTransmission11%
H04WWireless communication networks11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C08LCompositions of macromolecular compounds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
G01RMeasuring electric variables6%
G06FElectric digital data processing6%
H03GControl of amplification6%
H03MCoding6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to MITSUI PETROCHEMICAL IND (1)· patent assignee history
1984–1999Patents assigned to HITACHI LTD (8)· patent assignee history
1984–1996Patents assigned to HITACHI ELECTRONICS (4)· patent assignee history
1984–1999Based in Kodaira, JP· patent location history
1984Based in Los Angeles, CA, US· patent location history
1985Based in Mountain View, CA, US· patent location history
1988Based in Tokyo, JP· patent location history
2021Patents assigned to FUJITSU LTD (1)· patent assignee history
2021Based in Machida, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD81984–1999
HITACHI ELECTRONICS41984–1996
FUJITSU LTD12021
MITSUI PETROCHEMICAL IND11983
Locations
LocationPatentsSpan
Kodaira, JP51984–1999
Machida, JP12021
Tokyo, JP11988
Mountain View, California, US11985
Los Angeles, California, US11984