Inventor

HIRANO MASAAKI

JP100 patents

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

HIRANO MASAAKI

SUMITOMO ELECTRIC INDUSTRIES

Optical fiber and optical communication system including the same

Optical fiber and nonlinear optical fiber, optical amplifier and wavelength converter using the same, and method of making optical fiber

Dispersion-compensating optical fiber, and, optical transmission line and dispersion-compensating module respectively including the same

Negative-dispersion optical fiber and optical transmission line incorporating the same

Container for accommodating optical fiber coil and optical fiber module having the container

Optical fiber preform

Optical fiber and optical fiber preform

Optical fiber preform, method for producing optical fiber, and optical fiber

Optical fiber and optical device using the same

Raman amplifier module and optical transmission system using the same

Dispersion-compensating optical fiber and optical transmission system including the same

Optical fiber and manufacturing method thereof

Wavelength converter

Optical fiber and method of making the same

Fiber preform method with a hot drill-in step for a Ge-doped tube and an F-doped rod

Optical fiber transmission-line

Method of making an optical fiber containing an alkali metal in the core

Optical fiber

Optical fiber manufacturing method and optical fiber

Optical fiber preform

Apparatus and method for measuring chromatic dispersion

Glass tube processing method, apparatus and glass tube

Optical fiber

Optical fiber having identification mark and manufacturing method for optical fiber having identification mark

Optical-fiber preform and method for manufacturing optical-fiber preform

Optical fiber preform manufacturing method, optical fiber preform, and optical fiber

Method of producing an optical fiber preform

Optical fiber

Optical fiber and optical device using the same

Manufacturing method of optical fiber preform, manufacturing method of optical fiber, and optical fiber

ASTELLAS PHARMA INC

Propane-1, 3-dione derivative

Propane-1,3-dione derivative or salt thereof

Benzimidazolylidene propane-1,3 dione derivative or salt thereof

17βHSD type 5 inhibitor

KAWASAKI HEAVY IND LTD

Holding jig and holding jig set for double-acting friction stir spot welding, double-acting friction stir spot welding device, and double-acting friction stir spot welding method

Clamp member for double-acting friction stir spot welding device, double-acting friction stir spot welding device, and double-acting friction stir spot welding method

Double-acting friction stir spot welding method and apparatus

Refill friction stir spot welding method, pressing tool set, and refill friction stir spot welding device

YAMANOUCHI PHARMA CO LTD

Cyanophenyl derivative

Propane-1,3-dione derivative

Inhibitor of kainic acid neurotoxicity and pyridothiazine derivative

HIRANO MASAAKI

Optical fiber and optical fiber preform

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

Optical fiber

YAMAMOTO YOSHINORI

Optical fiber and optical communication system including same

HARUNA TETSUYA

Method for producing optical fiber preform

HITACHI HIGH TECH CORP

Dispensing device and dispensing method

ZERIA PHARM CO LTD

Preventives/remedies for stomatitis

SUMITOMO RIKO CO LTD

Fluid-filled vibration damping device

NAKANISHI TETSUYA

Cutoff wavelength measuring method and optical communication system