Inventor
Takaji Takenaka
Inventor
Hadano, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1033%
H05KPrinted circuits24%
B23KSoldering or unsoldering10%
C04BLime, magnesia5%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
H01CResistors5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
6,272,020'Structure for mounting a semiconductor device and a capacitor device on a substrate'20015,291,419'Method for diagnosing the life of a solder connection'19945,257,452'Methods of recovering a multi-layer printed circuit board'19935,249,100'Electronic circuit device provided with a ceramic substrate having lead pins bonded thereto by solder'19935,136,360'Electronic circuit device, method of connecting with solder and solder for connecting gold-plated terminals'19924,930,002'Multi-chip module structure'19904,836,434'Method and apparatus for airtightly packaging semiconductor package'19894,725,925'Circuit board'19884,706,165'Multilayer circuit board'19874,619,316'Heat transfer apparatus'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2001Patents assigned to HITACHI LTD (10)· patent assignee history
1986Based in Hatano, JP· patent location history
1987–1994Patents assigned to HITACHI MICROCUMPUTER ENG (2)· patent assignee history
1987–2001Based in Hadano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 10 | 1986–2001 |
| HITACHI MICROCUMPUTER ENG | 2 | 1987–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hadano, JP | 9 | 1987–2001 |
| Hatano, JP | 1 | 1986 |