Kyuhachiro Iwasaki

Person

Fujisawa-Shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid jet recording apparatus
- Patent number 7,533,950
- Issue date May 19, 2009
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording head configured for ejecting small ink droplets t...
- Patent number 7,347,518
- Issue date Mar 25, 2008
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid jet head, method and apparatus and receiving medium, configu...
- Patent number 7,341,322
- Issue date Mar 11, 2008
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method and head
- Patent number 6,991,309
- Issue date Jan 31, 2006
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid jet recording apparatus, head and method
- Patent number 6,789,866
- Issue date Sep 14, 2004
- Ricoh Company Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid jet recording apparatus and method
- Patent number 6,568,778
- Issue date May 27, 2003
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method and head
- Patent number 6,227,639
- Issue date May 8, 2001
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
On demand type ink jet recording apparatus and method
- Patent number 6,193,348
- Issue date Feb 27, 2001
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method and head
- Patent number 6,039,425
- Issue date Mar 21, 2000
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method and head
- Patent number 5,877,786
- Issue date Mar 2, 1999
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording head with improved ink jetting
- Patent number 5,729,257
- Issue date Mar 17, 1998
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording head having means for controlling ink droplets
- Patent number 5,657,060
- Issue date Aug 12, 1997
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method
- Patent number 5,610,637
- Issue date Mar 11, 1997
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Bubble jet printer head with improved operational speed
- Patent number 4,990,939
- Issue date Feb 5, 1991
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet printer with an encased printer head unit
- Patent number 4,800,398
- Issue date Jan 24, 1989
- Ricoh Company, Ltd.
- Osamu Naruse
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet head for compressing ink to eject drops of ink
- Patent number 4,700,203
- Issue date Oct 13, 1987
- Ricoh Co., Ltd.
- Tetsu Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink receptacle for ink jet printer
- Patent number 4,673,955
- Issue date Jun 16, 1987
- Ricoh Company, Ltd.
- Minoru Ameyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet head having curved ink
- Patent number 4,588,998
- Issue date May 13, 1986
- Ricoh Company, Ltd.
- Tetsu Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet waste and replenish ink system
- Patent number 4,527,170
- Issue date Jul 2, 1985
- Ricoh Company Ltd.
- Kyuhachiro Iwasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet head assembly
- Patent number 4,520,367
- Issue date May 28, 1985
- Ricoh Company, Ltd.
- Chuji Ishikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printing apparatus
- Patent number 4,437,101
- Issue date Mar 13, 1984
- Ricoh Company, Ltd.
- Yutaka Ebi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Controllable ink drop velocity type ink-jet printer
- Patent number 4,393,385
- Issue date Jul 12, 1983
- Ricoh Co., Ltd.
- Koichiro Jinnai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printer
- Patent number 4,365,255
- Issue date Dec 21, 1982
- Ricoh Co., Ltd.
- Masanori Horike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Nozzle position deviation compensation arrangement for ink jet prin...
- Patent number 4,364,060
- Issue date Dec 14, 1982
- Ricoh Co., Ltd.
- Koichiro Jinnai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Controllable ink drop velocity type ink-jet printer
- Patent number 4,313,123
- Issue date Jan 26, 1982
- Ricoh Co., Ltd.
- Koichiro Jinnai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printing apparatus
- Patent number 4,312,005
- Issue date Jan 19, 1982
- Ricoh Company, Ltd.
- Kyuhachiro Iwasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet recording apparatus
- Patent number 4,293,865
- Issue date Oct 6, 1981
- Ricoh Co., Ltd.
- Koichiro Jinnai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet recording apparatus
- Patent number 4,290,073
- Issue date Sep 15, 1981
- Ricoh Co., Ltd.
- Koichiro Jinnai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Variable-charge type ink-jet printer
- Patent number 4,288,797
- Issue date Sep 8, 1981
- Ricoh Co., Ltd.
- Masanori Horike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet printing method and device therefor
- Patent number 4,231,047
- Issue date Oct 28, 1980
- Ricoh Co., Ltd.
- Kyuhachiro Iwasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
INK JET RECORDING METHOD AND HEAD
- Publication number 20080186347
- Publication date Aug 7, 2008
- RICOH COMPANY, LTD.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink jet recording method and head
- Publication number 20050231559
- Publication date Oct 20, 2005
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink jet recording method and head
- Publication number 20050231539
- Publication date Oct 20, 2005
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink jet recording method and head
- Publication number 20040239709
- Publication date Dec 2, 2004
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Liquid jet recording apparatus, head and method
- Publication number 20030164865
- Publication date Sep 4, 2003
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Kyuhachiro Iwasaki

Person

Patents Grantslast 30 patents

Liquid jet recording apparatus

Ink jet recording head configured for ejecting small ink droplets t...

Liquid jet head, method and apparatus and receiving medium, configu...

Ink jet recording method and head

Liquid jet recording apparatus, head and method

Liquid jet recording apparatus and method

Ink jet recording method and head

On demand type ink jet recording apparatus and method

Ink jet recording method and head

Ink jet recording method and head

Ink jet recording head with improved ink jetting

Ink jet recording head having means for controlling ink droplets

Ink jet recording method

Bubble jet printer head with improved operational speed

Ink-jet printer with an encased printer head unit

Ink jet head for compressing ink to eject drops of ink

Ink receptacle for ink jet printer

Ink jet head having curved ink

Ink jet waste and replenish ink system

Ink jet head assembly

Ink jet printing apparatus

Controllable ink drop velocity type ink-jet printer

Ink jet printer

Nozzle position deviation compensation arrangement for ink jet prin...

Controllable ink drop velocity type ink-jet printer

Ink jet printing apparatus

Ink-jet recording apparatus

Ink-jet recording apparatus

Variable-charge type ink-jet printer

Ink-jet printing method and device therefor

Patents Applicationslast 30 patents

INK JET RECORDING METHOD AND HEAD

Ink jet recording method and head

Ink jet recording method and head

Ink jet recording method and head

Liquid jet recording apparatus, head and method