Takeshi Akatsuka

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Back junction solar cell and process for producing the same
- Patent number 7,700,400
- Issue date Apr 20, 2010
- Naoetsu Electronics Co., Ltd.
- Tsutomu Onishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for the preparation of discrete substrate plates of semicond...
- Patent number 5,472,909
- Issue date Dec 5, 1995
- Naoetsu Electronics Company
- Takeshi Akatsuka
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of preparing diffused silicon device substrate
- Patent number 5,308,789
- Issue date May 3, 1994
- Shin-Etsu Handotai Co., Ltd.
- Yasushi Yoshimura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing solar cell and solar cell, and method for...
- Publication number 20090020158
- Publication date Jan 22, 2009
- Shin-Etsu Handotai Co., Ltd.
- Hiroyuki Ohtsuka
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Back Junction Solar Cell and Process for Producing the Same
- Publication number 20070264746
- Publication date Nov 15, 2007
- NAOETSU ELECTRONICS CO., LTD.
- Tsutomu Onishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...