Inventor

KAWAGUCHI TATSUO

JP56 patents

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

KAWAGUCHI TATSUO

NGK INSULATORS LTD

Microswitch and method for manufacturing the same

Optical waveguide element, optical element, method for producing optical waveguide element and method for producing periodic domain-inverted structure

Directional coupler

Process and an apparatus for producing a composite oxide single crystal body

Process for producing optical waveguide-provided substrate

Optical waveguide device, coherent light source using the same and optical apparatus having the same

Optical waveguide device, optical waveguide laser using the same and optical apparatus equipped with the same

Less-dust-generative piezoelectric/electrostrictive device and manufacturing method

Heat/acoustic wave conversion unit

Matrix type piezoelectric/electrostrictive device and manufacturing method thereof

Ferroelectric domain inverted waveguide structure and a method for producing a ferroelectric domain inverted waveguide structure

Process for forming a microstructure in a substrate of a ferroelectric single crystal

Optical single crystal film, process for producing the same and optical element comprising the same

Optoelectric articles and a process for producing the same

Second harmonic generation element and a process for producing the same

Process for producing a lithium niobate-lithium tantalate single crystal substrate

Optoelectric articles and a process for producing the same

Heat exchange member

Heat exchanger

Heat exchanger

Optical waveguide substrate, optical waveguide device, second harmonic generation device, and process of producing optical waveguide substrate

Optical single crystalline articles and optical elements using such optical single crystalline articles

Process for producing optoelectric articles

Exhaust heat recovery device

Method for forming a polarization-inversed portion

Process and apparatus for the production of films of oxide type single crystal

Heat exchanger

Heat exchanger

Heat exchanger

Process for producing optical waveguide substrate

Heat exchanger

Laminated piezoelectric/electrostrictive element

Piezoelectric actuator array and manufacturing method

Matrix type piezoelectric/electrostrictive device and manufacturing method thereof

Method of processing a substrate made of a ferroelectric single crystalline material

Method for producing bonded articles, bonded articles and bonding agents

Heat exchanger

Heat exchange member, heat exchanger and heat conductive member

Heat exchange member, heat exchanger and heat conductive member

Heat exchanging member and heat exchanger

Heat conduction member

Optical single crystal film process for producing the same and optical element comprising the same

Optoelectric articles and a process for producing the same

Heat exchanging member, heat exchanger and heat exchanger with purifier

Heat recovery device and heat recovery system with a thermoelectric module

Bonding body and method of producing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements

Method for forming a ferroelectric domain-inverted structure

SUZUKI YOSHIO

Heat exchanger

NEC CORP

Optical waveguide elements and a process for producing the same