Inventor
Sakiko Tomonaga
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C25Dprimary
C25DProcesses for the electrolytic or electrophoretic production of coatings31%
H05KPrinted circuits19%
Y10TTechnical subjects covered by former us classification19%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
B21BRolling of metal6%
C23CCoating metallic material6%
H01BCables6%
PatentTitleYear
9,138,964'Surface-treated copper foil'20158,722,199'Electrodeposited copper foil, its manufacturing method, surface-treated electrodeposited copper foil using the electrodeposited copper foil, and copper-clad laminate and printed wiring board using the surface-treated electrodeposited copper foil'20148,715,836'Surface-treated electro-deposited copper foil and method for manufacturing the same'20148,419,920'Method of preparing electrolytic copper solution acidified with sulfuric acid, sulfuric-acid-acidified electrolytic copper solution prepared by the preparation method, and electrodeposited copper film'20137,029,558'Titanium-made cathode electrode for producing electrolytic copper foil, rotary cathode drum using the titanium-made cathode electrode, method of producing titanium material using titanium-made cathode electrode and method of correcting/working titanium material for titanium-made cathode electrode'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Based in Ageo, JP· patent location history
2013–2015Patents assigned to MITSUI MINING & SMELTING CO (4)· patent assignee history
2013–2015Patents assigned to TOMONAGA SAKIKO (4)· patent assignee history
2013–2014Patents assigned to DOBASHI MAKOTO (3)· patent assignee history
2013–2014Patents assigned to MATSUDA MITSUYOSHI (3)· patent assignee history
2013–2014Patents assigned to SAKAI HISAO (3)· patent assignee history
2013–2015Based in Tokyo, JP· patent location history
2014Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI MINING & SMELTING CO | 4 | 2013–2015 |
| TOMONAGA SAKIKOself | 4 | 2013–2015 |
| DOBASHI MAKOTO | 3 | 2013–2014 |
| MATSUDA MITSUYOSHI | 3 | 2013–2014 |
| SAKAI HISAO | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2013–2015 |
| Saitama, JP | 1 | 2014 |
| Ageo, JP | 1 | 2006 |