Lead connections means for stacked tab packaged IC chips
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 11, 1992
Issued Date -
N/A
app pub date -
Nov 25, 1991
filing date -
Jun 24, 1987
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In the present invention, memory chips are stuck together in stacked fashion by TAB (tape automated bonding), and a multiple memory chip and lead complex like an SOP (small out-line package) is formed of the chips and leads, whereby a memory module of high packaging density can be realized by a flat packaging technique.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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AKITA ELECTRONICS CO LTD | MINAMIAKITA-GUN AKITA |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Masayuki, Watanabe | Yokohama, JP | 7 | 495 |
# of filed Patents : 7 Total Citations : 495 | |||
Seiichiro, Tsukui | Komoro, JP | 7 | 495 |
# of filed Patents : 7 Total Citations : 495 | |||
Takashi, Ono | Akita, JP | 10 | 527 |
# of filed Patents : 10 Total Citations : 527 | |||
Toshio, Sugano | Kokubunji, JP | 10 | 557 |
# of filed Patents : 10 Total Citations : 557 | |||
Yoshiaki, Wakashima | Kawasaki, JP | 8 | 550 |
# of filed Patents : 8 Total Citations : 550 |
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Patent Citation Ranking
- 312 Citation Count
- H01L Class
- 0 % this patent is cited more than
- 33 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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Jun 23, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 30, 2018 | I | Issuance | |
Jan 10, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 07, 2014 | P | Published | |
Feb 13, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KASAHARA, SHUNICHI;REEL/FRAME:032395/0413 Owner name: SONY CORPORATION, JAPAN Effective Date: Feb 13, 2014 |
Oct 04, 2012 | F | Filing | |
Nov 16, 2011 | PD | Priority Date |

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