Sunao Ishizaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Driving circuit for ink jet printing head
- Patent number 6,454,377
- Issue date Sep 24, 2002
- NEC Corporation
- Sunao Ishizaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Control device for controlling movement of a printing head carriage...
- Patent number 5,433,541
- Issue date Jul 18, 1995
- NEC Corporation
- Tomoharu Hieda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Capacitive load driving circuit, droplet ejection device, droplet e...
- Publication number 20050231179
- Publication date Oct 20, 2005
- Sunao Ishizaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Drive circuit of ink jet head and driving method of ink jet head
- Publication number 20020097285
- Publication date Jul 25, 2002
- Sunao Ishizaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Driving device and driving method for ink jet printing head
- Publication number 20010026292
- Publication date Oct 4, 2001
- NEC Corporation
- Sunao Ishizaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS