Toru Achiwa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing grin lens
- Patent number 8,763,430
- Issue date Jul 1, 2014
- Toyo Seikan Group Holdings, Ltd.
- Tomomi Ichinose
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing GRIN lens
- Patent number 7,921,672
- Issue date Apr 12, 2011
- Toyo Glass Co., Ltd.
- Hiroyoshi Matsumura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing grin lens and grin lens
- Patent number 7,891,214
- Issue date Feb 22, 2011
- Toyo Glass Co., Ltd.
- Tomomi Ichinose
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Optical fiber coupling part and manufacturing method thereof
- Patent number 7,603,008
- Issue date Oct 13, 2009
- Toyo Glass Co., Ltd.
- Hiroyoshi Matsumura
- G02 - OPTICS
Information Patent Grant
Fiber optic collimator system, fiber optic collimator array, and ma...
- Patent number 7,357,005
- Issue date Apr 15, 2008
- Toyo Glass Co., Ltd.
- Hiroyoshi Matsumura
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING GRIN LENS
- Publication number 20110107794
- Publication date May 12, 2011
- Tomomi Ichinose
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method of Manufacturing Grin lens and Grin Lens
- Publication number 20100157436
- Publication date Jun 24, 2010
- Tomomi Ichinose
- G02 - OPTICS
Information Patent Application
Method for Manufacturing Grin Lens
- Publication number 20090235696
- Publication date Sep 24, 2009
- Tomomi Ichinose
- G02 - OPTICS
Information Patent Application
Optical Fiber Coupling Part and Manufacturing Method Thereof
- Publication number 20080131052
- Publication date Jun 5, 2008
- Hiroyoshi Matsumura
- G02 - OPTICS
Information Patent Application
Method for manufacturing grin lens and grin lens
- Publication number 20070160854
- Publication date Jul 12, 2007
- Hiroyoshi Matsumura
- G02 - OPTICS
Information Patent Application
Fiber optic collimator system, fiber optic collimator array, and ma...
- Publication number 20070147733
- Publication date Jun 28, 2007
- Hiroyoshi Matsumura
- G02 - OPTICS