Masaaki Otsuka

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical glass suitable for mold forming
- Patent number 7,151,064
- Issue date Dec 19, 2006
- SUMITA OPTICAL GLASS, INC.
- Masaaki Otsuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical glass for molding
- Patent number 6,784,128
- Issue date Aug 31, 2004
- Sumita Optical Glass, Inc.
- Masaaki Otsuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Oxide fluorescent glass capable of exhibiting visible fluorescence
- Patent number 5,961,883
- Issue date Oct 5, 1999
- Sumita Optical Glass, Inc.
- Masaaki Yamazaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for preventing redeposition of desorbed dyes to pre-dyed fab...
- Patent number 5,885,306
- Issue date Mar 23, 1999
- Meiji Seika Kaisha, Ltd.
- Toru Hamaya
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fluorophosphate fluorescent glass capable of exhibiting fluorescenc...
- Patent number 5,755,998
- Issue date May 26, 1998
- Sumita Optical Glass, Inc.
- Masaaki Yamazaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Tb- or Eu-containing fluorophosphate fluorescent glass
- Patent number 5,635,109
- Issue date Jun 3, 1997
- Sumita Optical Glass, Inc.
- Masaaki Otsuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fluorosphosphate optical glass
- Patent number 5,017,520
- Issue date May 21, 1991
- Sumita Optical Glass, Inc.
- Masaaki Otsuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fluorophosphate optical glass
- Patent number 4,990,468
- Issue date Feb 5, 1991
- Sumita Optical Glass, Inc.
- Masayuki Komiya
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Optical glass suitable for mold forming
- Publication number 20040087428
- Publication date May 6, 2004
- Masaaki Otsuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical glass for molding
- Publication number 20030153450
- Publication date Aug 14, 2003
- Sumita Optical Glass, Inc.
- Masaaki Otsuka
- C03 - GLASS MINERAL OR SLAG WOOL

Masaaki Otsuka

Person

Patents Grantslast 30 patents

Optical glass suitable for mold forming

Optical glass for molding

Oxide fluorescent glass capable of exhibiting visible fluorescence

Method for preventing redeposition of desorbed dyes to pre-dyed fab...

Fluorophosphate fluorescent glass capable of exhibiting fluorescenc...

Tb- or Eu-containing fluorophosphate fluorescent glass

Fluorosphosphate optical glass

Fluorophosphate optical glass

Patents Applicationslast 30 patents

Optical glass suitable for mold forming

Optical glass for molding