Inventor
Yoshie Yamanaka
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering18%
C22CAlloys18%
H01LSemiconductor devices16%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1016%
H05KPrinted circuits9%
Y10TTechnical subjects covered by former us classification7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
B22FWorking metallic powder2%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys2%
C23CCoating metallic material2%
PatentTitleYear
10,076,808Lead-free solder alloy20189,844,837Lead-free solder alloy20179,780,055'Lead-free solder ball'20179,773,721'Lead-free solder alloy, connecting member and a method for its manufacture, and electronic part'20179,700,963'Lead-free solder ball'20179,527,167'Lead-free solder ball'20168,975,757'Lead-free solder connection structure and solder ball'20158,896,119'Bonding material for semiconductor devices'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2018Patents assigned to SENJU METAL INDUSTRY CO (8)· patent assignee history
2014–2017Patents assigned to YAMANAKA YOSHIE (6)· patent assignee history
2014–2017Patents assigned to OHNISHI TSUKASA (5)· patent assignee history
2014–2017Patents assigned to YOSHIKAWA SHUNSAKU (5)· patent assignee history
2014–2018Based in Tokyo, JP· patent location history
2017Patents assigned to ISHIBASHI SEIKO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SENJU METAL INDUSTRY CO | 8 | 2014–2018 |
| YAMANAKA YOSHIEself | 6 | 2014–2017 |
| OHNISHI TSUKASA | 5 | 2014–2017 |
| YOSHIKAWA SHUNSAKU | 5 | 2014–2017 |
| ISHIBASHI SEIKO | 2 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 2014–2018 |