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Ryoji Yabuki
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Katsuta, JP
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last 30 patents
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Patent Grant
Method of minimizing ink drop velocity variations in an on-demand m...
Patent number
6,102,512
Issue date
Aug 15, 2000
Hitachi Koki Co., Ltd.
Takuji Torii
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Ink jet printer having elastically deformable ink supply tube
Patent number
5,436,651
Issue date
Jul 25, 1995
Hitachi Koki Co., Ltd.
Takuji Torii
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS