Inventor
Katsutoshi Nagaoka
Inventor
Oita, JP
Overview
Patents· 6 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 chemistry17%
B01DSeparation8%
B22FWorking metallic powder8%
C07CAcyclic or carbocyclic compounds8%
G03GElectrography8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
B82YSpecific uses or applications of nanostructures4%
C01BNon-metallic elements4%
C07BGeneral methods of organic chemistry4%
PatentTitleYear
10,942,471Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus202110,895,823Developing roller, process cartridge and electrophotographic image forming apparatus20219,962,683Alloy microparticles and method for producing same, alloy microparticle cluster, catalyst, and method for producing same20189,673,465'Catalyst, method for producing catalyst, and method for producing hydrogen-containing gas using catalyst, and hydrogen generating device, fuel cell system, and silicon-supported CeZr-based oxide'20179,452,417'Catalyst using Pd-Ru solid solution alloy fine particles'20169,139,489'Method of manufacturing olefin having 2 to 4 carbon atoms by Fischer-Tropsch reaction'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2018Patents assigned to UNIV KYUSHU NAT UNIV CORP (2)· patent assignee history
2015–2018Based in Oita, JP· patent location history
2016Patents assigned to JAPAN SCIENCE & TECH AGENCY (1)· patent assignee history
2017–2018Patents assigned to UNIV OITA (2)· patent assignee history
2017Patents assigned to DOWA HOLDINGS CO LTD (1)· patent assignee history
2021Patents assigned to CANON KK (2)· patent assignee history
2021Based in Susono, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 2 | 2021 |
| UNIV KYUSHU NAT UNIV CORP | 2 | 2015–2018 |
| UNIV OITA | 2 | 2017–2018 |
| DOWA HOLDINGS CO LTD | 1 | 2017 |
| JAPAN SCIENCE & TECH AGENCY | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oita, JP | 4 | 2015–2018 |
| Susono, JP | 2 | 2021 |