Inventor

Masaki Tojo

Inventor

Tokyo, JP

Overview

13→

Patents

2012–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 13 as inventor

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

F02Bprimary

F02BInternal-combustion piston engines20%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants19%

F01DNon-positive displacement machines or engines, e.g. steam turbines15%

Y02TClimate change mitigation technologies related to transportation15%

F02CGas-turbine plants14%

F04DNon-positive-displacement pumps7%

F02DControlling combustion engines2%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g2%

F16CShafts2%

PatentTitleYear

11,092,068Variable geometry turbocharger2021 10,890,105Exhaust gas turbocharger2021 10,385,765Variable geometry turbocharger2019 10,234,038Valve2019 10,151,344Turbocharger2018 9,926,938'Variable geometry turbocharger'2018 9,790,957'Air intake duct structure for centrifugal fluid machine'2017 9,777,578'Radial turbine blade'2017 8,888,440'Compressor of exhaust gas turbocharger'2014 8,833,074'Exhaust-bypass valve of turbocharger'2014 8,806,867'Variable geometry exhaust turbocharger'2014 8,474,257'Exhaust turbine equipped with exhaust control valve'2013 8,251,650'Compressor housing'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2018Patents assigned to MITSUBISHI HEAVY IND LTD (8)· patent assignee history

2012–2014Patents assigned to TOJO MASAKI (5)· patent assignee history

2012–2014Patents assigned to JINNAI YASUAKI (4)· patent assignee history

2012–2021Based in Kanagawa, JP· patent location history

2013–2014Patents assigned to HAYASHI NORIYUKI (3)· patent assignee history

2013–2014Based in Sagamihara, JP· patent location history

2014–2021Based in Tokyo, JP· patent location history

2018–2021Patents assigned to MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI HEAVY IND LTD	8	2012–2018
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD	5	2018–2021
TOJO MASAKIself	5	2012–2014
JINNAI YASUAKI	4	2012–2014
HAYASHI NORIYUKI	3	2013–2014

Locations

Location	Patents	Span
Tokyo, JP	8	2014–2021
Sagamihara, JP	3	2013–2014
Kanagawa, JP	2	2012–2021