Tetsumi Ohtsuka

Follow

Person

Fukuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Silicon nitride substrate, silicon nitride circuit board utilizing...
- Patent number 8,029,903
- Issue date Oct 4, 2011
- Denki Kagaku Kogyo Kabushiki Kaisha
- Takeshi Gotoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
SILICON NITRIDE SUBSTRATE, SILICON NITRIDE CIRCUIT SUBSTRATE USING...
- Publication number 20090283307
- Publication date Nov 19, 2009
- DENKI KAGAKU KOGYO KABUSHIKI KAISHA
- Takeshi Gotoh
- B32 - LAYERED PRODUCTS