Akira Owada

Follow

Person

Hitachinaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mass spectrometry and mass spetrometer using the same
- Patent number 6,765,200
- Issue date Jul 20, 2004
- Hitachi, Ltd.
- Akira Maekawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma ion source mass spectrometer
- Patent number 6,248,998
- Issue date Jun 19, 2001
- Hitachi, Ltd.
- Toyoharu Okumoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Mass spectrometry and mass spetrometer using the same
- Publication number 20010019107
- Publication date Sep 6, 2001
- Hitachi, Ltd.
- Akira Maekawa
- H01 - BASIC ELECTRIC ELEMENTS