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Inventor

Yoshiaki Seki

Inventor
Hitachinaka, JP

Overview

10→
Patents
1993–2016
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
G06FElectric digital data processing29%
G03HHolographic processes or apparatus10%
G06KGraphical data reading10%
E02FDredging5%
F02DControlling combustion engines5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
Y02TClimate change mitigation technologies related to transportation5%
PatentTitleYear
9,376,996'Engine device'20168,522,628'Liquid sample analyzing apparatus and liquid sample introducing apparatus'20136,856,917'Data processing apparatus for chromatograph'20056,675,107'Data processing apparatus for chromatograph'20046,529,836'Data processing apparatus for chromatograph'20036,314,374'Data processing apparatus for chromatograph'20016,148,266'Data processing apparatus for chromatograph'20006,076,047'Data processing apparatus for chromatograph'20005,291,006'Authenticity identifying system for information storage cards'19945,200,794'Optical head for an optical authenticity identifing system'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to NHK SPRING CO LTD (2)· patent assignee history
1993–1994Based in Kanagawa, JP· patent location history
2000–2005Patents assigned to HITACHI LTD (6)· patent assignee history
2000Patents assigned to HITACHI COMPUTER ENG (1)· patent assignee history
2000–2013Based in Hitachinaka, JP· patent location history
2001–2004Patents assigned to HITACHI INSTRUMENTS ENG (3)· patent assignee history
2013–2016Patents assigned to SEKI YOSHIAKI (2)· patent assignee history
2016Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD62000–2005
HITACHI INSTRUMENTS ENG32001–2004
NHK SPRING CO LTD21993–1994
SEKI YOSHIAKIself22013–2016
HITACHI COMPUTER ENG12000
Locations
LocationPatentsSpan
Hitachinaka, JP72000–2013
Kanagawa, JP21993–1994
Osaka, JP12016