Inventor
Yoshimasa Kikukawa
Inventor
Kagawa, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material23%
C23FNon-mechanical removal of metallic material from surface23%
H05KPrinted circuits23%
B23KSoldering or unsoldering13%
C07DHeterocyclic compounds10%
C07CAcyclic or carbocyclic compounds3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
8,378,116'Phenylnaphthylimidazole compound and usage of the same'20138,183,386'Phenylnaphthylimidazole compound and usage of the same'20127,754,105'Water-soluble preflux and usage of the same'20107,661,577'Imidazole compound and use thereof'20105,795,409'Surface treating agent for copper or copper alloy'19985,560,785'Method for forming a protective chemical layer on copper and copper alloy surfaces'19965,498,301'Agent for treating surfaces of copper and copper alloys'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2013Patents assigned to SHIKOKU CHEM (7)· patent assignee history
1996Based in Marugame, JP· patent location history
1998–2013Based in Kagawa, JP· patent location history
2012–2013Patents assigned to HIRAO HIROHIKO (2)· patent assignee history
2012–2013Patents assigned to KIKUKAWA YOSHIMASA (2)· patent assignee history
2012–2013Patents assigned to MURAI TAKAYUKI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHIKOKU CHEM | 7 | 1996–2013 |
| HIRAO HIROHIKO | 2 | 2012–2013 |
| KIKUKAWA YOSHIMASAself | 2 | 2012–2013 |
| MURAI TAKAYUKI | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kagawa, JP | 5 | 1998–2013 |
| Marugame, JP | 2 | 1996 |