Inventor
Hisakatsu Kato
Inventor
Niihama, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Fprimary
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals34%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties10%
B01FMixing, e.g. dissolving, emulsifying or dispersing7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
Y10TTechnical subjects covered by former us classification7%
C22BProduction and refining of metals3%
C22CAlloys3%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
10,968,505Process for producing molded material, molded material, wavefront control element and diffraction grating20217,811,546'Aluminum hydroxide aggregated particles, process for producing the same, vessel used therefor, and process for producing aluminum hydroxide powder'20107,704,465'Aluminum hydroxide aggregated particles producing vessel'20106,382,538'Method for manufacturing aluminum hydroxide powder'20024,426,363'Process for extracting alumina from aluminous ores'19844,421,615'Process for producing metallic gallium'19834,364,919'Process for producing coarse grains of aluminum hydroxide'19824,311,486'Process for producing coarse grains of aluminum hydroxide'19824,263,261'Method for the removal of impurities from sodium aluminate solution'19814,215,094'Method for the removal of organic substances from alkali metal aluminate solution'19804,201,749'Method for the separation of precipitated aluminum hydroxide from sodium aluminate solution'19803,957,947'Process for continuous production of aqueous basic aluminum salt solutions'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2010Patents assigned to SUMITOMO CHEMICAL CO (5)· patent assignee history
1976–2010Based in Niihama, JP· patent location history
1980–1984Patents assigned to SUMITOMO ALUMINIUM SMELTING CO (7)· patent assignee history
2021Patents assigned to UNIV TOHOKU (1)· patent assignee history
2021Based in Sendai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO ALUMINIUM SMELTING CO | 7 | 1980–1984 |
| SUMITOMO CHEMICAL CO | 5 | 1976–2010 |
| UNIV TOHOKU | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niihama, JP | 11 | 1976–2010 |
| Sendai, JP | 1 | 2021 |