Inventor
Yoshio Sohama
Inventor
Takehara, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds18%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties14%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
H05KPrinted circuits14%
Y10TTechnical subjects covered by former us classification14%
B01DSeparation5%
C01GCompounds containing metals not covered by subclasses c01d or c01f5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C22BProduction and refining of metals5%
H01BCables5%
PatentTitleYear
6,860,941'METHOD FOR MANUFACTURING HIGH-PURITY POTASSIUM FLUORONIOBATE CRYSTAL, RECRYSTALLIZATION BATH USED IN MANUFACTURING METHOD THEREOF AND HIGH-PURITY POTASSIUM FLUOROTANTALATE CRYSTAL OR HIGH-PURITY POTASSIUM FLUORONIOBATE CRYSTAL OBTAINED BY MANUFACTURING METHOD THEREOF'20056,641,641'Method for producing metal or metal compound comprising process of treating with fluorine and adjusted raw material used therein'20035,068,150'Copper powder for electroconductive paints and electroconductive paint compositions'19914,888,216'Copper powder for electroconductive paints and process for production thereof'19894,833,033'Resin coated copper powder for electroconductive paints'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2005Patents assigned to MITSUI MINING & SMELTING CO (5)· patent assignee history
1989–1991Based in Takehara, JP· patent location history
2003–2005Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI MINING & SMELTING CO | 5 | 1989–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Takehara, JP | 3 | 1989–1991 |
| Tokyo, JP | 2 | 2003–2005 |