Kenji Ushirooka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Binding assembly for binders
- Patent number 5,634,732
- Issue date Jun 3, 1997
- Lion Office Products Corporation
- Kenji Ushirooka
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Opening/closing device for pipe file binder
- Patent number 5,577,853
- Issue date Nov 26, 1996
- Lion Office Products Corporation
- Kenji Ushirooka
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER