Takao Matsuoka

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Katsuta, JP

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Patents Grantslast 30 patents

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
Matrix driving circuit of an ink jet printer and a method of drivin...
- Patent number 6,042,210
- Issue date Mar 28, 2000
- Hitachi Koki Company Ltd.
- Shigenori Suematsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printer having bubble purge mechanism
- Patent number 5,870,126
- Issue date Feb 9, 1999
- Hitachi Koki Co., Ltd.
- Norimasa Kondo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information 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
Information Patent Grant
Suction-purging unit and suction purging method for an ink jet printer
- Patent number 5,381,168
- Issue date Jan 10, 1995
- Hitachi Koki Co., Ltd.
- Norimasa Kondo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS