Inventor
Akio Honji
Inventor
Hitachi, JP
Overview
15→
Patents
1985–2011
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general12%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy12%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%
Y02ATechnologies for adaptation to climate change10%
C02FTreatment of water, waste water, sewage, or sludge7%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
B01DSeparation5%
F02DControlling combustion engines5%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]5%
PatentTitleYear
7,993,529'Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste water'20117,722,773'Method of treating organic compounds in wastewater'20107,662,295'Method for removing organic material in oilfield produced water and a removal device therefor'20107,294,315'Method and apparatus for disposing of fluorine-containing compound by decomposition'20077,261,868'Process and apparatus for the decomposition of fluorine compounds'20075,937,637'System for purifying exhaust gas for use in an automobile'19995,577,383'Apparatus for controlling internal combustion engine'19965,560,201'System for purifying exhaust gas for use in an automobile'19965,388,405'System for purifying exhaust gas for use in an automobile'19955,379,586'System for controlling oxygen concentration in exhaust gas and exhaust gas cleaning system employing the same'19954,643,957'Fuel cell'19874,623,415'Method of making fuel cell'19864,555,452'Method for operating fuel cell'19854,529,671'Fuel cell'19854,493,879'Fuel cell'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2011Patents assigned to HITACHI LTD (15)· patent assignee history
1985–1986Patents assigned to HITACHI CHEMICAL CO LTD (3)· patent assignee history
1985–1999Based in Hitachi, JP· patent location history
2007–2011Based in Hitachinaka, JP· patent location history
2010–2011Patents assigned to HITACHI KYOWA ENG CO LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 15 | 1985–2011 |
| HITACHI CHEMICAL CO LTD | 3 | 1985–1986 |
| HITACHI KYOWA ENG CO LTD | 2 | 2010–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 10 | 1985–1999 |
| Hitachinaka, JP | 5 | 2007–2011 |