β-Ga2O3-based single crystal substrate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 30, 2016
Grant Date -
Dec 31, 2015
app pub date -
Feb 27, 2015
filing date -
Jun 30, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A β-Ga2O3-based single crystal substrate includes an average dislocation density of less than 7.31×104 cm−2. The average dislocation density may be not more than 6.14×104 cm−2. The substrate may further include a main surface including a plane orientation of (−201), (101) or (001). The substrate may be free from any twinned crystal.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- KOHA CO., LTD.;TAMURA CORPORATION
International Classification(s)

- 2015 Application Filing Year
- H01L Class
- 25498 Applications Filed
- 22451 Patents Issued To-Date
- 88.06 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Koshi, Kimiyoshi | Tokyo, JP | 13 | 22 |
# of filed Patents : 13 Total Citations : 22 | |||
Masui, Takekazu | Tokyo, JP | 7 | 14 |
# of filed Patents : 7 Total Citations : 14 | |||
Takizawa, Masaru | Tokyo, JP | 12 | 103 |
# of filed Patents : 12 Total Citations : 103 | |||
Watanabe, Makoto | Tokyo, JP | 386 | 3408 |
# of filed Patents : 386 Total Citations : 3408 | |||
Watanabe, Shinya | Tokyo, JP | 282 | 1738 |
# of filed Patents : 282 Total Citations : 1738 | |||
Yamaoka, Yu | Tokyo, JP | 7 | 13 |
# of filed Patents : 7 Total Citations : 13 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- H01L Class
- 13.47 % this patent is cited more than
- 9 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 29, 2028 |
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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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Aug 19, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SUCHENTRUNK, CHRISTOF;GRUMMT, KATHARINA;CRAMER, JULIA;SIGNING DATES FROM 20160719 TO 20160817;REEL/FRAME:039480/0190 Owner name: ATOTECH DEUTSCHLAND GMBH, GERMANY |
Apr 07, 2015 | F | Filing |

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