Inventor

Yoshio Nakayama

Inventor

Tokyo, JP

Overview

25→

Patents

1981–2019

Patent span

Performing operations

Primary field (CPC B)

Patents· 25 as inventor

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

B01Dprimary

B01DSeparation19%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

C02FTreatment of water, waste water, sewage, or sludge5%

F22DPreheating, or accumulating preheated, feed-water for steam generation5%

Y02ATechnologies for adaptation to climate change5%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C08LCompositions of macromolecular compounds3%

C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials3%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%

PatentTitleYear

10,451,108Squeeze film damper bearing device2019 9,989,513Oil content measurement device2018 9,422,844'Exhaust purification device for engine'2016 8,209,985'Heat recovery equipment'2012 8,099,959'Heat recovery equipment'2012 8,003,068'Hydrogen chloride supply system, air pollution control system, and hydrogen chloride supply control system'2011 7,992,379'Exhaust purification device for engine'2011 7,662,352'Method and system for removing mercury from flue gas'2010 7,622,092'Method and device for removing mercury'2009 7,581,395'Heat recovery equipment'2009 7,544,338'Mercury removal system and mercury removal process'2009 6,087,774'Non-electrode discharge lamp apparatus and liquid treatment apparatus using such lamp apparatus'2000 5,958,335'Method and apparatus for preventing corrosion of exhaust gas treatment systems'1999 5,902,555'Wet flue gas desulfurization process and system'1999 5,879,639'Wet flue gas desulfurization system'1999 5,641,460'Gas-liquid contactor and wet flue-gas desulfurization system'1997 5,079,852'Sludge treating apparatus'1992 5,035,802'Membrane filter material having excellent organic solvent resistance, method for formation of membrane filter and process for preparation of bismaleimide polymer to be used for membrane filter'1991 4,983,717'Membrane filter material having excellent organic solvent resistance, method for formation of membrane filter and process for preparation of bismaleimide polymer to be used for membrane filter'1991 4,855,037'Hydrogenation catalyst for coal tar, a method of hydrogenation of coal tar with use of such catalyst, and a method of producing super needle coke from the hydrogenation product of coal tar'1989 4,814,063'Process for the preparation of super needle coke'1989 4,623,499'Method for manufacture of shaped article of organic substance'1986 4,611,135'Analog switch circuit and signal attenuator employing an analog switch circuit'1986 4,476,580'Automatic continuous tuning control apparatus for a receiver'1984 4,287,417'Method of determining the deterioration of heat-resistant ferritic steel parts'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2018Based in Tokyo, JP· patent location history

1991Patents assigned to MITSUI PETROCHEMICAL IND (2)· patent assignee history

1991Based in Ichihara, JP· patent location history

1997–2012Patents assigned to MITSUBISHI HEAVY IND LTD (10)· patent assignee history

2009–2011Based in Hiroshima, JP· patent location history

2009–2012Based in Mihara, JP· patent location history

2011–2016Based in Kawasaki, JP· patent location history

2012–2016Patents assigned to NAKAYAMA YOSHIO (3)· patent assignee history

2012Patents assigned to DOHI TSUYOSHI (2)· patent assignee history

2012Patents assigned to NAGATA CHIKAYUKI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI HEAVY IND LTD	10	1997–2012
NAKAYAMA YOSHIOself	3	2012–2016
DOHI TSUYOSHI	2	2012
MITSUI PETROCHEMICAL IND	2	1991
NAGATA CHIKAYUKI	2	2012

Locations

Location	Patents	Span
Tokyo, JP	7	1989–2018
Hiroshima, JP	4	2009–2011
Mihara, JP	3	2009–2012
Kawasaki, JP	2	2011–2016
Ichihara, JP	2	1991