Eiji Okuda

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing a magnetic disk substrate
- Patent number 5,268,071
- Issue date Dec 7, 1993
- Nippon Sheet Glass
- Kenzou Sono
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a plate microlens
- Patent number 5,104,435
- Issue date Apr 14, 1992
- Nippon Sheet Glass Co., Ltd.
- Masahiro Oikawa
- G02 - OPTICS
Information Patent Grant
Flat plate optical element and method for preparing the same
- Patent number 5,062,688
- Issue date Nov 5, 1991
- Nippon Sheet Glass Co., Ltd.
- Eiji Okuda
- G02 - OPTICS
Information Patent Grant
Plate microlens and method for manufacturing the same
- Patent number 4,952,037
- Issue date Aug 28, 1990
- Nippon Sheet Glass Co., Ltd.
- Masahiro Oikawa
- G02 - OPTICS
Information Patent Grant
Optical branching device with internal waveguide
- Patent number 4,693,544
- Issue date Sep 15, 1987
- Nippon Sheet Glass Co., Ltd.
- Tetsuya Yamasaki
- G02 - OPTICS
Information Patent Grant
Plate lens and a method for manufacturing the same
- Patent number 4,509,824
- Issue date Apr 9, 1985
- Nippon Sheet Glass Co., Ltd.
- Tetsuya Yamasaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
WELAN GUM-CONTAINING COMPOSITION
- Publication number 20190008187
- Publication date Jan 10, 2019
- SAN-EI GEN F.F.I., INC.
- Takashi KONDA
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
METHOD FOR IMPROVING OR MAINTAINING PHYSICAL PROPERTIES OF SUBSTANCE
- Publication number 20180325141
- Publication date Nov 15, 2018
- SAN-EI GEN F.F.I., INC.
- Kohei NAKAJIMA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
FOOD-IMPROVING AGENT
- Publication number 20180317536
- Publication date Nov 8, 2018
- SAN-EI GEN F.F.I., INC.
- Kohei NAKAJIMA
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Glass substrate for data recording medium and manufacturing method...
- Publication number 20050223744
- Publication date Oct 13, 2005
- Tamaki Horisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Glass substrate for data recording medium and manufacturing method...
- Publication number 20030096078
- Publication date May 22, 2003
- NIPPON SHEET GLASS CO., LTD.
- Tamaki Horisaka
- G11 - INFORMATION STORAGE