Takayuki Kawashima

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element
- Patent number 11,125,925
- Issue date Sep 21, 2021
- Photonic Lattice, Inc.
- Shojiro Kawakami
- G01 - MEASURING TESTING
Information Patent Grant
Polarization analyzer
- Patent number 7,265,834
- Issue date Sep 4, 2007
- Autocloning Technology Ltd.
- Shojiro Kawakami
- G02 - OPTICS
Information Patent Grant
Integrated optical element
- Patent number 7,136,217
- Issue date Nov 14, 2006
- Shojiro Kawakami
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Polarizer
- Patent number 6,977,774
- Issue date Dec 20, 2005
- Autocloning Technology, LTD
- Shojiro Kawakami
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ELEMENT AND OPTICAL CIRCUIT
- Publication number 20210088707
- Publication date Mar 25, 2021
- AUTOCLONING TECHNOLOGY., LTD
- Takayuki KAWASHIMA
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT
- Publication number 20190086597
- Publication date Mar 21, 2019
- AUTOCLONING TECHNOLOGY, LTD.
- Shojiro KAWAKAMI
- G02 - OPTICS
Information Patent Application
Polarization analyzer
- Publication number 20060126066
- Publication date Jun 15, 2006
- Shojiro Kawakami
- G02 - OPTICS
Information Patent Application
Integrated optical element
- Publication number 20040080808
- Publication date Apr 29, 2004
- Shojiro Kawakami
- G02 - OPTICS