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Inventor

Hiroki Doi

Inventor
Tenri, JP

Overview

13→
Patents
2002–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
H03KPulse technique17%
F16KValves9%
G01FMeasuring volume, volume flow, mass flow or liquid level9%
G01RMeasuring electric variables9%
G05DSystems for controlling or regulating non-electric variables9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
F16LPipes4%
F17DPipe-line systems4%
PatentTitleYear
8,104,516'Gas supply unit and gas supply system'20127,853,416'Flow rate verification failure diagnosis apparatus, flow rate verification failure diagnosis system, flow rate verification failure diagnosis method, and control program product for flow rate verification failure diagnosis'20107,716,993'Gas flow rate verification unit'20107,586,299'Power-supply semiconductor integrated circuit, power-supply semiconductor integrated circuit system, development assisting system for power-supply circuit, and program and storage medium therefor'20097,353,841'Relative pressure control system and relative flow control system'20087,343,926'Liquid raw material supply unit for vaporizer'20087,224,591'Charge pump DC/DC converter circuit'20076,972,602'Power-on reset circuit'20056,913,031'Pulse shot type flow controller and pulse shot type flow controlling method'20056,803,807'Negative voltage output charge pump circuit'20046,720,761'Hall device biasing circuit and magnetism detection circuit including the same'20046,400,201'Delay circuit and ring oscillator incorporating the same'20026,392,444'IIL reset circuit'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2009Patents assigned to SHARP KK (7)· patent assignee history
2002–2005Based in Tenri, JP· patent location history
2005–2012Patents assigned to CKD CORP (6)· patent assignee history
2005–2012Based in Kasugai, JP· patent location history
2007–2009Based in Yamatokoriyama, JP· patent location history
2008–2012Patents assigned to TOKYO ELECTRON LTD (3)· patent assignee history
2008Based in Komaki, JP· patent location history
2012Patents assigned to DOI HIROKI (1)· patent assignee history
2012Patents assigned to ITAFUJI HIROSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK72002–2009
CKD CORP62005–2012
TOKYO ELECTRON LTD32008–2012
DOI HIROKIself12012
ITAFUJI HIROSHI12012
Locations
LocationPatentsSpan
Tenri, JP52002–2005
Kasugai, JP42005–2012
Yamatokoriyama, JP22007–2009
Komaki, JP22008