Fumio Yamamoto

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Water repellent coating composition, and coated films and coated ar...
- Patent number 6,117,555
- Issue date Sep 12, 2000
- Nippon Telegraph & Telephone Corporation
- Susumu Fujimori
- B08 - CLEANING
Information Patent Grant
Method for preparing aromatic compounds
- Patent number 6,048,986
- Issue date Apr 11, 2000
- Nippon Telegraph and Telephone Corp.
- Shinji Ando
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composite polymer electrolyte membrane
- Patent number 5,858,264
- Issue date Jan 12, 1999
- Japan Gore-Tex, Inc.
- Toshihiro Ichino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing aromatic compounds
- Patent number 5,849,934
- Issue date Dec 15, 1998
- Nippon Telegraph & Telephone Corporation
- Shinji Ando
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Perfluorinated aromatic compounds
- Patent number 5,750,731
- Issue date May 12, 1998
- Nippon Telegraph & Telephone Corporation
- Shinji Ando
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyimide optical waveguide and method of manufacturing the same
- Patent number 5,598,501
- Issue date Jan 28, 1997
- Nippon Telegraph & Telephone Corporation
- Yasuko Maruo
- G02 - OPTICS
Information Patent Grant
Polimide optical waveguide
- Patent number 5,572,619
- Issue date Nov 5, 1996
- Nippon Telegraph & Telephone Corporation
- Yasuko Maruo
- G02 - OPTICS
Information Patent Grant
Polyimide optical material
- Patent number 5,449,741
- Issue date Sep 12, 1995
- Nippon Telegraph & Telephone Corporation
- Shinji Ando
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Perfluorinated polyimide, perfluorinated poly(amic acid), starting...
- Patent number 5,233,018
- Issue date Aug 3, 1993
- Nippon Telegraph & Telephone Corporation
- Shinji Ando
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyimide optical waveguide
- Patent number 5,108,201
- Issue date Apr 28, 1992
- Nippon Telegraph & Telephone Corporation
- Toru Matsuura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coated optical fiber, fabrication process thereof and fabrication a...
- Patent number 4,801,186
- Issue date Jan 31, 1989
- Nippon Telegraph & Telephone Public Corporation
- Makoto Wagatsuma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Fumio Yamamoto

Person

Patents Grantslast 30 patents

Water repellent coating composition, and coated films and coated ar...

Method for preparing aromatic compounds

Composite polymer electrolyte membrane

Method for preparing aromatic compounds

Perfluorinated aromatic compounds

Polyimide optical waveguide and method of manufacturing the same

Polimide optical waveguide

Polyimide optical material

Perfluorinated polyimide, perfluorinated poly(amic acid), starting...

Polyimide optical waveguide

Coated optical fiber, fabrication process thereof and fabrication a...