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Inventor

Eiji Fujiwara

Inventor
Tokyo, JP

Overview

8→
Patents
1996–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps40%
H03MCoding30%
G06FElectric digital data processing20%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
PatentTitleYear
10,276,339Electron gun, electron tube and high-frequency circuit system20198,230,292'Method and apparatus for correcting and detecting multiple spotty-byte errors within a byte occurred in a limited number of bytes'20127,489,084'Power supply apparatus and high frequency circuit system'20097,034,462'Power supply circuit for traveling-wave tube which eliminates large relay and relay driving power supply'20067,034,472'Power supply apparatus for traveling-wave tube which eliminates high voltage relay'20066,990,625'Burst error pattern generation method, and burst and byte error detection correction apparatus'20065,563,894'Error detecting and correcting method and system'19965,482,544'Rust-preventive composition'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to HITACHI LTD (1)· patent assignee history
1996–2019Based in Tokyo, JP· patent location history
1996Based in Amagasaki, JP· patent location history
2006–2009Patents assigned to NEC MICROWAVE TUBE LTD (3)· patent assignee history
2006Patents assigned to FANUC LTD (1)· patent assignee history
2006Based in Kanagawa, JP· patent location history
2009Based in Sagamihara, JP· patent location history
2012Patents assigned to FUJIWARA EIJI (1)· patent assignee history
2012Patents assigned to ICHIKAWA SATOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC MICROWAVE TUBE LTD32006–2009
FANUC LTD12006
FUJIWARA EIJIself12012
HITACHI LTD11996
ICHIKAWA SATOSHI12012
Locations
LocationPatentsSpan
Tokyo, JP41996–2019
Kanagawa, JP22006
Sagamihara, JP12009
Amagasaki, JP11996