Shigenori Suematsu

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing ink jet print head
- Patent number 6,457,222
- Issue date Oct 1, 2002
- Hitachi Koki Co., Ltd.
- Takuji Torii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Drive voltage adjusting method for an on-demand multi-nozzle ink je...
- Patent number 6,328,397
- Issue date Dec 11, 2001
- Hitachi Koki Co., Ltd.
- Kazuo Shimizu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Solid-ink printing original plate and a process for producing the same
- Patent number 6,283,031
- Issue date Sep 4, 2001
- Hitachi Koki Co., Ltd.
- Atsushi Kakuta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Solid-ink printing original plate and a process for producing the same
- Patent number 6,173,647
- Issue date Jan 16, 2001
- Hitachi Koki Co., Ltd.
- Atsushi Kakuta
- 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
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
Method of forming image on roll of paper sheet
- Patent number 5,993,087
- Issue date Nov 30, 1999
- Hitachi Koki, Co., Ltd.
- Masahito Katada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Printing system with mechanism for attachingly supporting recording...
- Patent number 5,947,614
- Issue date Sep 7, 1999
- Hitachi Koki Co., Ltd.
- Yutaka Shoji
- 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
Dot line printer with adjusted dot positions for canceling sheet fe...
- Patent number 5,586,496
- Issue date Dec 24, 1996
- Hitachi Koki Co., Ltd.
- Makoto Shinohara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dot like printer employing overlapped current applying sequence to...
- Patent number 5,241,904
- Issue date Sep 7, 1993
- Hitachi Koki Co., Ltd.
- Hirotaka Kobayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print hammer assembly for dot line printer
- Patent number 5,228,386
- Issue date Jul 20, 1993
- Hitachi Koki Co., Ltd.
- Shigenori Suematsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dot line printer having improved yoke assembly
- Patent number 5,219,235
- Issue date Jun 15, 1993
- Hitachi Koki Co., Ltd.
- Shigenori Suematsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dot line printer having improved comb yoke
- Patent number 5,192,148
- Issue date Mar 9, 1993
- Hitachi Koki Co., Ltd.
- Shigenori Suematsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Shigenori Suematsu

Person

Patents Grantslast 30 patents

Method of manufacturing ink jet print head

Drive method for an on-demand multi-nozzle ink jet head

Drive voltage adjusting method for an on-demand multi-nozzle ink je...

Solid-ink printing original plate and a process for producing the same

Solid-ink printing original plate and a process for producing the same

Method of minimizing ink drop velocity variations in an on-demand m...

Matrix driving circuit of an ink jet printer and a method of drivin...

Method of forming image on roll of paper sheet

Printing system with mechanism for attachingly supporting recording...

Ink jet printer having bubble purge mechanism

Dot line printer with adjusted dot positions for canceling sheet fe...

Dot like printer employing overlapped current applying sequence to...

Print hammer assembly for dot line printer

Dot line printer having improved yoke assembly

Dot line printer having improved comb yoke