Optical device and optical communication apparatus

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12242143
APP PUB NO 20220373828A1
SERIAL NO

17699746

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An optical device includes a silicon substrate, a waveguide formed of a thin film that is laminated on the silicon substrate and that is made of a perovskite oxide with a large electro-optic effect as compared to lithium niobate, and a cladding layer that covers the waveguide. Further, the optical device includes ground electrode that has a ground potential and a signal electrode that is arranged at a position facing the ground electrode and that applies driving voltage to the waveguide.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • FUJITSU OPTICAL COMPONENTS LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kubota, Yoshinobu Yokohama, JP 58 398
Makino, Shuntaro Kawasaki, JP 13 13
Mitamura, Nobuaki Saitama, JP 85 731
Yoshida, Yoshihiko Sapporo, JP 21 100

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
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 4, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 4, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 4, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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