Process for production of fluorescent substance

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8877095
SERIAL NO

14074049

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The embodiment provides a process for production of an oxynitride fluorescent substance. In the process, a compound represented by the formula: (Sr,Eu)2Si5N8, silicon nitride and aluminum nitride are mixed and then fired in a nitrogen atmosphere under high pressure.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuda, Yumi Tokyo, JP 68 487
Kato, Masahiro Naka-Gun, JP 438 2356
Matsuda, Naotoshi Chigasaki, JP 67 668

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 4, 2026
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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