Kazuaki Akimoto

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive method for an on-demand multi-nozzle ink jet head
- Patent number 6,378,972
- Issue date Apr 30, 2002
- Hitachi Koki Co., Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-nozzle ink jet head with dummy piezoelectric elements at both...
- Patent number 6,264,310
- Issue date Jul 24, 2001
- Hitachi Koki Co., Ltd.
- Takuji Toru
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information 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