Inventor
Yasushi Muranaka
Inventor
Hitachinaka, JP
Overview
18→
Patents
1984–2008
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy23%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution23%
Y02PClimate change mitigation technologies in the production or processing of goods11%
Y02TClimate change mitigation technologies related to transportation8%
Y10TTechnical subjects covered by former us classification8%
C01BNon-metallic elements6%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
C23CCoating metallic material3%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs2%
B03DFlotation2%
PatentTitleYear
7,416,814'Lithium secondary battery, and process for producing the same'20087,273,681'Non-aqueous secondary battery having negative electrode including graphite powder'20077,201,989'Electronic device using fuel cells'20077,083,876'Lead-acid battery'20066,835,215'Non-aqueous secondary battery and a method of manufacturing graphite powder'20046,638,662'Lithium secondary battery having oxide particles embedded in particles of carbonaceous material as a negative electrode-active material'20036,524,749'Lithium secondary battery, and process for producing the same'20036,458,488'Positive electrode activator for lithium secondary battery and lithium secondary battery'20026,383,467'Non-aqueous secondary battery and a method of manufacturing graphite powder'20026,268,086'Non-aqueous secondary battery and a method of manufacturing graphite powder'20016,083,645'Secondary battery using system and material for negative electrode of secondary battery'20006,030,726'Lithium secondary battery having negative electrode of carbon material which bears metals'20005,922,491'Secondary battery'19995,531,184'Method for producing synthetic diamond thin film, the thin film and device using it'19965,500,292'Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a catalytically active component concentration gradiem across oxygen electrode'19965,350,643'Solid polymer electrolyte type fuel cell'19945,192,393'Method for growing thin film by beam deposition and apparatus for practicing the same'19934,456,528'Process for removing ash from coal'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2008Patents assigned to HITACHI LTD (17)· patent assignee history
1984Patents assigned to BABCOCK HITACHI KK (1)· patent assignee history
1984–1996Based in Katsuta, JP· patent location history
1999–2008Patents assigned to HITACHI CHEMICAL CO LTD (3)· patent assignee history
1999–2008Based in Hitachinaka, JP· patent location history
2006Patents assigned to SHIN KOBE ELECTRIC MACHINERY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 17 | 1984–2008 |
| HITACHI CHEMICAL CO LTD | 3 | 1999–2008 |
| BABCOCK HITACHI KK | 1 | 1984 |
| SHIN KOBE ELECTRIC MACHINERY | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 13 | 1999–2008 |
| Katsuta, JP | 5 | 1984–1996 |