Masaaki Hirakawa

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing porous SOG film
- Patent number 6,919,106
- Issue date Jul 19, 2005
- Ulvac Inc.
- Hirohiko Murakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Graphite nanofibers, electron-emitting source and method for prepar...
- Patent number 6,812,634
- Issue date Nov 2, 2004
- Nihon Shinku Gijutsu Kabushiki Kaisha
- Hirohiko Murakami
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
CATHODE SUBSTRATE HAVING CATHODE ELECTRODE LAYER, INSULATOR LAYER,...
- Publication number 20090325452
- Publication date Dec 31, 2009
- ULVAC, Inc.
- Haruhisa NAKANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for forming a carbon nanotube and a plasma CVD apparatus for...
- Publication number 20060078680
- Publication date Apr 13, 2006
- Haruhisa Nakano
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Cathode substrate and its manufacturing method
- Publication number 20050230750
- Publication date Oct 20, 2005
- Haruhisa Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for the preparation of graphite nanofibers and emitter and d...
- Publication number 20050099111
- Publication date May 12, 2005
- Masaaki Hirakawa
- C30 - CRYSTAL GROWTH
Information Patent Application
Method for preparing porous sog film
- Publication number 20030087042
- Publication date May 8, 2003
- Hirohiko Murakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Graphite nanofibers, electron-emitting source and method for prepar...
- Publication number 20020009637
- Publication date Jan 24, 2002
- Hirohiko Murakami
- B82 - NANO-TECHNOLOGY