Kiyohito Hagiwara

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Print speed controlled dot line printer depending on print density
- Patent number 5,662,421
- Issue date Sep 2, 1997
- Hitachi Koki Company, Ltd.
- Kiyohito Hagiwara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS