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Inventor

Hiroyuki Kohama

Inventor
Nara, JP

Overview

5→
Patents
1979–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B01Dprimary
B01DSeparation15%
C21BManufacture of iron or steel15%
H03GControl of amplification15%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
F02CGas-turbine plants8%
F23JRemoval or treatment of combustion products or combustion residues8%
F27BFurnaces, kilns, ovens or retorts in general8%
H03FAmplifiers8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
8,648,656'Low-noise amplifier with through-mode'20147,667,541'Amplifier circuit and wireless communication device'20104,380,328'Shaft furnace for reducing ores'19834,248,612'Apparatus for cleaning and recovering power from blast furnace exhaust gas'19814,142,989'Process for continuously regenerating a degraded catalyst used for removing nitrogen oxides from exhaust gas'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1983Patents assigned to KOBE STEEL LTD (3)· patent assignee history
1979Based in Daido, JP· patent location history
1981–1983Based in Daito, JP· patent location history
2010–2014Patents assigned to PANASONIC CORP (2)· patent assignee history
2010–2014Based in Nara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD31979–1983
PANASONIC CORP22010–2014
Locations
LocationPatentsSpan
Nara, JP22010–2014
Daito, JP21981–1983
Daido, JP11979