Inventor
Isao Fujita
Inventor
Kobe, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals24%
Y10TTechnical subjects covered by former us classification20%
G01NInvestigating or analysing materials by determining their chemical or physical properties16%
C21BManufacture of iron or steel12%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light8%
A61KPreparations for medical, dental or toiletry purposes4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
F01DNon-positive displacement machines or engines, e.g. steam turbines4%
G03GElectrography4%
PatentTitleYear
8,343,453'Carrier core material for electrophotographic developer and method for producing the same, carrier for electrophotographic developer, and electrophotographic developer'20137,012,679'Inspection method and inspection system of surface of article'20065,255,072'Apparatus for analyzing fluid by multi-fluid modulation mode'19935,119,859'Steam governing valve'19925,102,806'Method for analyzing fluid by multi-fluid modulation mode'19925,101,019'Method for removing pertussis endotoxin, a pertussis toxoid and its production'19925,069,929'Actinic radiation-curable rust-preventive coating compositions for steel products'19914,659,451'Reference electrode for high pressure liquid'19874,372,779'Iron ore pellets containing coarse ore particles'19834,367,091'Fired iron-ore pellets having at least two different precipitated slag phases and process for producing the same'19834,356,027'Iron ore pellets containing magnesium oxide'19824,273,577'Blast-furnace operation method'19814,257,806'Fired iron-ore pellets having macro pores and process for producing the same'19814,231,797'Fired iron-ore pellets having macro pores'19804,129,437'Iron ore pellet having a specific shape and a method of making the same'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1983Patents assigned to KOBE STEEL LTD (7)· patent assignee history
1978–1991Based in Kobe, JP· patent location history
1987–1993Patents assigned to HORIBA LTD (3)· patent assignee history
1987–1992Based in Kyoto, JP· patent location history
1993Based in Simotubayashi, JP· patent location history
2006Based in Tokyo, JP· patent location history
2013Patents assigned to AIKI YOSHIAKI (1)· patent assignee history
2013Patents assigned to DOWA ELECTRONICS MATERIALS CO LTD (1)· patent assignee history
2013Patents assigned to DOWA IP CREATION CO LTD (1)· patent assignee history
2013Based in Okayama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOBE STEEL LTD | 7 | 1978–1983 |
| HORIBA LTD | 3 | 1987–1993 |
| AIKI YOSHIAKI | 1 | 2013 |
| DOWA ELECTRONICS MATERIALS CO LTD | 1 | 2013 |
| DOWA IP CREATION CO LTD | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kobe, JP | 7 | 1978–1991 |
| Kyoto, JP | 2 | 1987–1992 |
| Okayama, JP | 1 | 2013 |
| Tokyo, JP | 1 | 2006 |
| Simotubayashi, JP | 1 | 1993 |