Inventor

SHIMADA TADAKATSU

JP35 patents

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

SHIMADA TADAKATSU

SHINETSU CHEMICAL CO

Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal direction

Straightening a glass rod for use in making an optical fiber preform

Glass base material manufacturing apparatus with super imposed back-and-forth burner movement

Method for drawing a glass ingot

Method for making a preform for optical fibers by drawing a mother ingot

Apparatus and method for making an optical fiber preform using a correction pass

Apparatus and method for inspecting elliplicity and eccentricity of optical fiber preforms

Method for preparing a fused silica glass body co-doped with a rare earth element and aluminum

Method of stretching an optical fiber preform with monitoring the diameter at two locations

Method and apparatus for fusing an optical fiber preform

Method for detecting bubbles and inclusions present in optical fiber preform and apparatus for detecting same

Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod

Porous optical fiber base materials, optical fiber base materials and methods for producing them

Apparatus and method for drawing a glass ingot

Apparatus for sintering a porous glass base material and a method therefor

Soliton pulse compression optical fiber and method for making soliton pulse compression optical fiber

Method of depositing glass soot with controlling reaction chamber humidity to prevent accumulation of excess soot

Glass base material producing device

Glass base material packing method

Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus

OVD apparatus including air-regulating structure

Method for producing optical fiber base material ingot by grinding while core portion central axis is brought into line with rotational axis of grinding machine

Double flame polishing method for fiber preforms

Apparatus for fabricating soot preform for optical fiber

Apparatus for manufacturing glass base material and a method for manufacturing glass base material

Glass base material drawing apparatus and method for drawing glass base material

Method of elongating an optical fiber base material

Light transmitting metal oxide sintered body manufacturing method and light transmitting metal oxide sintered body

Apparatus for preventing redeposition of silica during flame severing

Method of making glass base material

Method for manufacturing glass-base-material by measuring the weight of the material

Apparatus and method for manufacturing glass-base-material

RIKAGAKU KENKYUSHO

Method and apparatus for determining refractive index distribution

TOBISAKA YUUJI

Glass base material manufacturing apparatus and glass base material manufacturing method

SHIMADA TADAKATSU

Magneto-optical ceramic material and method for selecting same