Takaaki Hatanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical module and method of packaging the same
- Patent number 7,639,910
- Issue date Dec 29, 2009
- NEC Corporation
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Grant
Waveguide-type optical splitter and waveguide-type optical module h...
- Patent number 7,327,918
- Issue date Feb 5, 2008
- NEC Corporation
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Grant
Waveguide type optical splitter and waveguide type optical module c...
- Patent number 7,151,873
- Issue date Dec 19, 2006
- NEC Corporation
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Grant
Waveguide type optical splitter and waveguide type optical module c...
- Patent number 7,103,247
- Issue date Sep 5, 2006
- NEC Corporation
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Grant
Spiraling optical device
- Patent number 6,922,510
- Issue date Jul 26, 2005
- NEC Corporation
- Takaaki Hatanaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE AND METHOD OF PACKAGING THE SAME
- Publication number 20070291364
- Publication date Dec 20, 2007
- NEC Corporation
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Application
Waveguide Type optical splitter and waveguide type optical module c...
- Publication number 20060210223
- Publication date Sep 21, 2006
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Application
Waveguide type optical splitter and waveguide type optical module c...
- Publication number 20050207702
- Publication date Sep 22, 2005
- NEC Corporation
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Application
Waveguide-type optical splitter and waveguide-type optical module h...
- Publication number 20050196102
- Publication date Sep 8, 2005
- NEC Corporation
- Hiroyuki Yamazaki
- G02 - OPTICS
Information Patent Application
Optical device
- Publication number 20030035609
- Publication date Feb 20, 2003
- NEC Corporation
- Takaaki Hatanaka
- G02 - OPTICS