Tokyo
Japan
4
2008-02-21
The entities that hold a legal rights for patent applications filed by inventor Hamamoto Yasuhiro:
Yasuhiro Hamamoto from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for manufacturing an electron-emitting device with first and second carbon films
#2 | 2007-10-25Method for manufacturing an electron-emitting device with first and second carbon films
#3 | 2006-08-24Method for manufacturing an electric emitting device with first and second carbon films
#4 | 2006-06-06Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same
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