Seiki Ejima

Person

Annaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Synthesized silica glass optical member and method for manufacturin...
- Patent number 6,701,752
- Issue date Mar 9, 2004
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing base material for optical fiber having deforme...
- Patent number 6,681,074
- Issue date Jan 20, 2004
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for preparing optical waveguide substrate
- Patent number 6,615,614
- Issue date Sep 9, 2003
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- G02 - OPTICS
Information Patent Grant
Method for producing a second-order nonlinear glass material
- Patent number 6,564,585
- Issue date May 20, 2003
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for making an optical waveguide substrate
- Patent number 6,436,728
- Issue date Aug 20, 2002
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Preparation of silicon substrate
- Patent number 6,402,973
- Issue date Jun 11, 2002
- NTT Electronics Corp.
- Yasushi Maeda
- G02 - OPTICS
Information Patent Grant
Second-order nonlinear glass material
- Patent number 6,380,109
- Issue date Apr 30, 2002
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- G02 - OPTICS
Information Patent Grant
Apparatus and method for making multi-branching optical coupler
- Patent number 6,301,412
- Issue date Oct 9, 2001
- Shin-Etsu Chemical Co., Ltd.
- Tsuneo Mori
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Method for producing base material for optical fiber having deforme...
- Publication number 20050100306
- Publication date May 12, 2005
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- G02 - OPTICS
Information Patent Application
Synthesized silica glass optical member and method for manufacturin...
- Publication number 20040184979
- Publication date Sep 23, 2004
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Synthesized silica glass optical member and method for manufacturin...
- Publication number 20040148968
- Publication date Aug 5, 2004
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Manufacture of optical waveguide substrate
- Publication number 20020020194
- Publication date Feb 21, 2002
- SHIN-ETSU CHEMICAL CO., LTD.
- Shinji Makikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for manufacturing glass base material, glass base material,...
- Publication number 20010036349
- Publication date Nov 1, 2001
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Making method of optical waveguide substrate
- Publication number 20010034074
- Publication date Oct 25, 2001
- Shinji Makikawa
- C30 - CRYSTAL GROWTH
Information Patent Application
Silicon surface oxidation device and method of fabricating optical...
- Publication number 20010022094
- Publication date Sep 20, 2001
- Shinji Makikawa
- C30 - CRYSTAL GROWTH
Information Patent Application
Synthesized silica glass optical member and method for manufacturin...
- Publication number 20010018835
- Publication date Sep 6, 2001
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Second-order nonlinear glass material and a method for producing it
- Publication number 20010019991
- Publication date Sep 6, 2001
- Shin-Etsu Chemical Co., Ltd.
- Jun Abe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Multi-branching optical coupler
- Publication number 20010002219
- Publication date May 31, 2001
- Shin-Etsu Chemical Co., Ltd.
- Tsuneo Mori
- G02 - OPTICS

Seiki Ejima

Person

Patents Grantslast 30 patents

Synthesized silica glass optical member and method for manufacturin...

Method for producing base material for optical fiber having deforme...

Method for preparing optical waveguide substrate

Method for producing a second-order nonlinear glass material

Method for making an optical waveguide substrate

Preparation of silicon substrate

Second-order nonlinear glass material

Apparatus and method for making multi-branching optical coupler

Patents Applicationslast 30 patents

Method for producing base material for optical fiber having deforme...

Synthesized silica glass optical member and method for manufacturin...

Synthesized silica glass optical member and method for manufacturin...

Manufacture of optical waveguide substrate

Method for manufacturing glass base material, glass base material,...

Making method of optical waveguide substrate

Silicon surface oxidation device and method of fabricating optical...

Synthesized silica glass optical member and method for manufacturin...

Second-order nonlinear glass material and a method for producing it

Multi-branching optical coupler