Mikio Yoshida

Follow

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disc having a protective layer which is thicker at its oute...
- Patent number 6,091,580
- Issue date Jul 18, 2000
- Sony Corporation
- Mikio Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc having a protective layer which is thicker at its oute...
- Patent number 6,016,303
- Issue date Jan 18, 2000
- Sony Corporation
- Mikio Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc having a protective layer which is thicker at its oute...
- Patent number 5,930,088
- Issue date Jul 27, 1999
- Sony Corporation
- Mikio Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc
- Patent number 5,851,729
- Issue date Dec 22, 1998
- Sony Corporation
- Atsushi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disc having a protective film with minimal projecti...
- Patent number 5,745,443
- Issue date Apr 28, 1998
- Sony Corporation
- Mikio Yoshida
- G11 - INFORMATION STORAGE