Tsutomu Hiramoto

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Tamaho, JP

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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
Packaging structure for a ring-shaped product
- Patent number 4,955,471
- Issue date Sep 11, 1990
- Konica Corporation
- Kimimoto Hirose
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Information Patent Grant
Hanger
- Patent number 4,832,301
- Issue date May 23, 1989
- Konishiroku Photo Industry Co., Ltd.
- Tsutomu Hiramoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL