Hitoshi Okubo

Follow

Person

Tamaho, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic tape cassette with leaf-shaped spring door closure mechanism
- Patent number 5,041,939
- Issue date Aug 20, 1991
- Konica Corporation
- Tsutomu Hiramoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette with improved front cover supporting mechanism
- Patent number 4,951,167
- Issue date Aug 21, 1990
- Konica Corporation
- Tsutomu Hiramoto
- G11 - INFORMATION STORAGE