Inventor

YAMAMOTO FUMIO

JP28 patents

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

YAMAMOTO FUMIO

NIPPON TELEGRAPH & TELEPHONE

Polyimide optical waveguide and method of manufacturing the same

Polyimide optical waveguide

Water repellent coating composition, and coated films and coated articles using the same

Polimide optical waveguide

Perfluorinated polyimide, perfluorinated poly(amic acid), starting compounds therefor, and methods for preparing them

Coated optical fiber, fabrication process thereof and fabrication apparatus thereof

Method for preparing aromatic compounds

Method for preparing aromatic compounds

Perfluorinated aromatic compounds

Polyimide optical material

NIPPON STEEL CORP

Process of coating a metal strip with high-viscosity coating material

Hot-dip aluminum coated steel sheet having excellent corrosion resistance and heat resistance

Tinned steel sheet having a high degree of corrosion resistance and a method of producing the same

Chromate surface treated steel sheet

TOSHIBA KK

High-frequency package and the method for manufacturing the same

High-frequency hermetically-sealed circuit package

High frequency module

DAINIPPON INK & CHEMICALS

Bowling lane and method of repairing same

Process for producing vinyl polymer

Polyol composition for two-component curable abrasive foam, composition for two-component curable abrasive foam, abrasive foam, and method for producing abrasive foam

JAPAN GORE TEX INC

Composite polymer electrolyte membrane

TOKYO SHIBAURA ELECTRIC CO

Incandescent lamp with film of alternately stacked layers

KURARAY CO

Contact lens

NHK SPRING CO LTD

Coil spring

TOYODA MACHINE WORKS LTD

Numerical controller

MITUTOYO CORP

Optical measuring apparatus and measuring method of the same

MITUTOYO MFG CO LTD

Micrometer

NUMATA SHIGEKI

Medical tray