Inventor
Chunfu Yu
Inventor
Tokyo, JP
Overview
Patents· 9 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 energy22%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution22%
Y02PClimate change mitigation technologies in the production or processing of goods11%
H01GCapacitors7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C01BNon-metallic elements4%
C01GCompounds containing metals not covered by subclasses c01d or c01f4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C04BLime, magnesia4%
C23CCoating metallic material4%
PatentTitleYear
9,780,385'Process for producing oxygen reducing catalyst and uses thereof'20179,640,801'Process for producing catalyst carrier, process for producing composite catalyst, composite catalyst, and fuel cell using same'20179,570,755'Production process for electrode catalyst for fuel cell and uses thereof'20179,379,390'Process for producing catalyst for direct-liquid fuel cell, catalyst produced by the process and uses thereof'20169,318,749'Process for producing catalyst carrier, process for producing composite catalyst, composite catalyst, and fuel cell using same'20169,136,541'Process for producing fuel cell electrode catalyst, process for producing transition metal oxycarbonitride, fuel cell electrode catalyst and uses thereof'20159,083,051'Process for producing fuel cell electrode catalyst, process for producing transition metal oxycarbonitride, fuel cell electrode catalyst and uses thereof'20158,524,324'Complex oxide film and method for producing same, dielectric material including complex oxide film, piezoelectric material, capacitor, piezoelectric element, and electronic device'20138,377,148'Method for producing capacitor, capacitor, wiring board, electronic device, and IC card'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2017Patents assigned to SHOWA DENKO KK (8)· patent assignee history
2013–2017Patents assigned to YU CHUNFU (6)· patent assignee history
2013–2015Based in Chiba, JP· patent location history
2015–2017Patents assigned to ICHIOKA KAZUNORI (3)· patent assignee history
2015–2017Patents assigned to IMAI TAKUYA (3)· patent assignee history
2015–2017Patents assigned to SATO TAKASHI (3)· patent assignee history
2016–2017Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHOWA DENKO KK | 8 | 2013–2017 |
| YU CHUNFUself | 6 | 2013–2017 |
| ICHIOKA KAZUNORI | 3 | 2015–2017 |
| IMAI TAKUYA | 3 | 2015–2017 |
| SATO TAKASHI | 3 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2016–2017 |
| Chiba, JP | 4 | 2013–2015 |