Akio Yamanaka

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Sapporo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical material, Faraday rotator, and optical isolator
- Patent number 9,482,888
- Issue date Nov 1, 2016
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Oxide and magneto-optical device
- Patent number 8,753,538
- Issue date Jun 17, 2014
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Optical isolator
- Patent number 8,625,197
- Issue date Jan 7, 2014
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Electroluminescent material and electroluminescent element using th...
- Patent number 7,674,399
- Issue date Mar 9, 2010
- Japan Science and Technology Agency
- Masanori Ando
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
MAGNETO-OPTICAL MATERIAL, FARADAY ROTATOR, AND OPTICAL ISOLATOR
- Publication number 20130222909
- Publication date Aug 29, 2013
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- C30 - CRYSTAL GROWTH
Information Patent Application
OPTICAL ISOLATOR
- Publication number 20110181950
- Publication date Jul 28, 2011
- Shin-Etsu Chemical Co., Ltd.
- Shinji MAKIKAWA
- C30 - CRYSTAL GROWTH
Information Patent Application
OXIDE AND MAGNETO-OPTICAL DEVICE
- Publication number 20110133111
- Publication date Jun 9, 2011
- Shin-Etsu Chemical Co., Ltd.
- Shinji Makikawa
- C30 - CRYSTAL GROWTH
Information Patent Application
Electroluminescent material and electroluminescent element using th...
- Publication number 20070085470
- Publication date Apr 19, 2007
- Japan Science and Technology Agency, Kawaguchi-shi
- Masanori Ando
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...