Inventor

ISHIKO DAISUKE

JP15 patents

⚠️ This page may combine multiple inventors who share the name “ISHIKO DAISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

14 patents

US6542647B2Apr 1, 2003

Optical signal transmission system and magneto-optical modulator designed to establish modulation over wide range for use in the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92

US5835257ANov 10, 1998

Magneto-optical element and optical magnetic field sensor using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92

US5732167AMar 24, 1998

Optical fiber sensor for measuring a magnetic field or electric current and method for making the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92

US5699461ADec 16, 1997

Optical fiber sensors and method for making the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD52 citations92

US4999571AMar 12, 1991

Current and/or voltage detector for a distribution system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations89

US6057678AMay 2, 2000

Optical sensor apparatus and signal processing circuit used therein including initialization and measuring modes

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations81

US6008927ADec 28, 1999

Optical fiber modulator having an optical fiber having a poled portion serving as an electrooptic element and method for making same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74

US5691837ANov 25, 1997

MATSUHSHITA ELECTRIC IND CO LT

1 patent

US6215576B1Apr 10, 2001

Method for making a second-order nonlinear optical material, the material obtained by the method, and an optical modulation device comprising the material

MATSUHSHITA ELECTRIC IND CO LT10 citations69

ISHIKO DAISUKE

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical signal transmission system and magneto-optical modulator designed to establish modulation over wide range for use in the same

Magneto-optical element and optical magnetic field sensor using the same

Optical fiber sensor for measuring a magnetic field or electric current and method for making the same

Optical fiber sensors and method for making the same

Current and/or voltage detector for a distribution system

Optical sensor apparatus and signal processing circuit used therein including initialization and measuring modes

Optical fiber modulator having an optical fiber having a poled portion serving as an electrooptic element and method for making same

Magneto-optical element and optical magnetic field sensor using the same

Optical magnetic field sensor probe

Optical magnetic field sensor probe

Optical magnetic field sensor probe having drum lenses

Magnetic field measurement apparatus

Optical magnetic field sensor probe

Magneto-optical element

MATSUHSHITA ELECTRIC IND CO LT

Method for making a second-order nonlinear optical material, the material obtained by the method, and an optical modulation device comprising the material