Masashi Maekawa

Follow

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a magnetic disk substrate
- Patent number 5,868,953
- Issue date Feb 9, 1999
- Kabushiki Kaisya Ohara
- Masashi Maekawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass-ceramic for information recording disk
- Patent number 5,561,089
- Issue date Oct 1, 1996
- Kabushiki Kaisya Ohara
- Futoshi Ishizaki
- C03 - GLASS MINERAL OR SLAG WOOL