Inventor

KITTAKA SHIGEO

JP39 patents

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

KITTAKA SHIGEO

NIPPON SHEET GLASS CO LTD

Optical element, optical circuit provided with the optical element, and method for producing the optical element

Photonic crystal waveguide, homogeneous medium waveguide, and optical device

Optical imaging system

Optical module and method for assembling the same

Rod lens array and life-size imaging optical apparatus using the same

Axial refractive index distributed lens

Transmissive diffraction grating, and spectral separation element and spectroscope using the same

Mother glass composition for graded index lens

Optical element

Diffraction device using photonic crystal

Filter module

Lens function-including optical fiber and method of producing the same

Endoscopic objective lens

Graded index lens

Optical imaging system

Optics using graded-index lens

Lens system for use in optical information device

Waveguide element, method for producing the waveguide element, and optical sensor

Optical element

Optical coupling system and optical device using the same

Glass compositions for core/cladding type distributed index optical element

Optical imaging system

Rod lens array and life-size imaging optical apparatus using the same

Object lens system

Optical waveguide device

Method for producing aspherical structure, and aspherical lens array molding tool and aspherical lens array produced by the same method

Method for measuring gradient index distribution of rod lens

Optics using a gradient index lens

Waveguide element using photonic crystal

Optical element using one-dimensional photonic crystal and spectroscopic device using the same

Optical device

Method of performing an ion exchange of optical glass

Optical imaging system with rod lens array

Optical element and wavelength separator using the same

Waveguide element using photonic crystal

Fluorescence light detection device and fluorescence light detection method

Optical device with optical fibers and rod lenses

Optical element and spectroscopic device using the same

NAT INST OF ADVANCED IND SCIEN

Spectrometer using diffraction grating