Inventor

Masaki Takeyama

Inventor

Okazaki, JP

Overview

1993–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 20 as inventor

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

F02Mprimary

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof26%

Y02TClimate change mitigation technologies related to transportation19%

B01DSeparation9%

F02DControlling combustion engines9%

F01MLubricating of machines or engines in general5%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%

F02NStarting of combustion engines5%

H01HElectric switches5%

B05BSpraying apparatus2%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles2%

PatentTitleYear

10,622,615Electrochemical device2020 10,378,406Exhaust emission control system and purification control device2019 9,429,127'Fuel injector'2016 9,121,370'Combustion system'2015 8,354,906'Electromagnetic relay'2013 8,093,974'Electromagnetic relay'2012 7,559,304'Control device and control method for stopping and starting an internal combustion engine'2009 7,472,016'Start control apparatus for internal combustion engine'2008 6,810,861'Evaporation fuel processing unit'2004 6,786,211'Intake device for internal combustion engine'2004 6,786,199'Hydrocarbons emission preventive apparatus in intake system for internal combustion engine and method thereof'2004 6,699,310'Evaporative fuel adsorbing member and air cleaner'2004 6,698,403'Fuel vapor adsorption device of internal combustion engine and method of desorbing fuel vapor from fuel vapor adsorbent'2004 6,695,895'Fuel vapor handling apparatus and diagnostic apparatus thereof'2004 6,692,555'Internal combustion engine air cleaner and adsorption filter'2004 6,689,196'Fuel vapor control apparatus'2004 6,401,691'Fuel supply system for relieving fuel pressure pulsations and designing method thereof'2002 6,265,814'Spark plug having a bypass electrode extending along a bypass path between center and ground electrode'2001 5,884,612'Gas ventilation system for internal combustion engine'1999 5,239,972'Gas/liquid separation device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2009Patents assigned to NIPPON SOKEN (14)· patent assignee history

1993–2016Based in Okazaki, JP· patent location history

1999–2009Patents assigned to TOYOTA MOTOR CO LTD (6)· patent assignee history

1999Based in Nishio, JP· patent location history

2004Patents assigned to TOYODA BOSHOKU KK (6)· patent assignee history

2004–2019Patents assigned to DENSO CORP (5)· patent assignee history

2012–2013Patents assigned to ANDEN CO LTD (2)· patent assignee history

2019Based in Kariya, JP· patent location history

2020Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON SOKEN	14	1993–2009
TOYODA BOSHOKU KK	6	2004
TOYOTA MOTOR CO LTD	6	1999–2009
DENSO CORP	5	2004–2019
ANDEN CO LTD	2	2012–2013

Locations

Location	Patents	Span
Okazaki, JP	17	1993–2016
Sagamihara, JP	1	2020
Kariya, JP	1	2019
Nishio, JP	1	1999