Inventor

NAGAYAMA KATSUYA

JP24 patents

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

NAGAYAMA KATSUYA

SUMITOMO ELECTRIC INDUSTRIES

Optical fiber drawing method and drawing furnace

Method and furnace for drawing optical fibers

Method for screening optical fiber and apparatus for carrying out method

Method for producing hermetic coated optical fiber

Optical fiber producing method

Method of controlling an upper portion of an optical fiber draw furnace

Method and apparatus for sucking an optical fiber

Slitted winding wheel for optical fiber

Method and apparatus for fabricating coated optical fiber, and coated optical fiber

Optical fiber drawing furnace having adjustable partitions

Manufacturing method of an optical fiber

Apparatus for producing hermetic coated optical fiber

Apparatus and method for making optical fiber

Optical fiber, method of making optical fiber preform, and method of making optical fiber

Optical fiber and method of making the same

Drawing method of optical fiber and drawing furnace

Multiple fiber optical cable and method of manufacturing multiple fiber optical cable

Apparatus for the production of hermetically coated optical fiber

Method of manufacturing optical fiber

Optical fiber, method of making the same, and optical transmission system including the same

Method and apparatus for curing ultraviolet-curing resin

Method for manufacturing a hermetically coated optical fiber

Optical fiber, method of making optical fiber preform, and method of making optical fiber

HITACHI LTD

Method of and apparatus for assembling a transformer core