Kenji Yamada

Person

Hitachinaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Oil-based magnetic ink
- Patent number 11,021,624
- Issue date Jun 1, 2021
- Riso Kagaku Corporation
- Kenji Yamada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oil-based inkjet ink
- Patent number 10,106,639
- Issue date Oct 23, 2018
- Riso Kagaku Corporation
- Yoshifumi Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oily inkjet ink
- Patent number 8,292,996
- Issue date Oct 23, 2012
- Riso Kagaku Corporation
- Katsumi Kuriyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Bio cell cleaning centrifuge and bio cell cleaning rotor used in th...
- Patent number 8,152,707
- Issue date Apr 10, 2012
- Hitachi Koki Co., Ltd.
- Kenji Yamada
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Emulsion ink and method for producing same
- Patent number 8,128,745
- Issue date Mar 6, 2012
- Riso Kagaku Corporation
- Kenji Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Bio cell cleaning centrifuge having bio cell cleaning rotor provide...
- Patent number 6,857,997
- Issue date Feb 22, 2005
- Hitachi Koki Co., Ltd.
- Kenji Yamada
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Bio cell cleaning centrifuge having detachable chamber body
- Patent number 6,846,281
- Issue date Jan 25, 2005
- Hitachi Koki Co., Ltd.
- Kazuhiko Murayama
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Configuration of inkjet head realizing uniform ink ejection perform...
- Patent number 6,702,432
- Issue date Mar 9, 2004
- Hitachi Printing Solutions, Ltd.
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet print head and method of production thereof
- Patent number 6,682,179
- Issue date Jan 27, 2004
- Hitachi Printing Solutions, Ltd.
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet print head and method of production thereof
- Patent number 6,679,589
- Issue date Jan 20, 2004
- Hitachi Printing Solutions, Ltd.
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print head having array of printing elements for printer
- Patent number 6,328,418
- Issue date Dec 11, 2001
- Hitachi Koki Co., Ltd.
- Takahiro Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording head
- Patent number 6,161,924
- Issue date Dec 19, 2000
- Fuji Photo Film Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet print head and a method of driving ink therefrom
- Patent number 5,980,024
- Issue date Nov 9, 1999
- Hitachi Koki Co, Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printing device
- Patent number 5,966,153
- Issue date Oct 12, 1999
- Hitachi Koki Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printer
- Patent number 5,896,154
- Issue date Apr 20, 1999
- Hitachi Koki Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording head
- Patent number 5,831,648
- Issue date Nov 3, 1998
- Hitachi Koki Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing an ink ejection recording head and a record...
- Patent number 5,790,154
- Issue date Aug 4, 1998
- Hitachi Koki Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printer with high power, short duration pulse
- Patent number 5,729,260
- Issue date Mar 17, 1998
- Hitachi Koki Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of producing a head for the printer
- Patent number 5,697,144
- Issue date Dec 16, 1997
- Hitachi Koki Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet print head
- Patent number 5,666,140
- Issue date Sep 9, 1997
- Hitachi Koki Co., Ltd.
- Masao Mitani
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
OIL-BASED MAGNETIC INK
- Publication number 20200234859
- Publication date Jul 23, 2020
- Riso Kagaku Corporation
- Kenji YAMADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL-BASED MAGNETIC INKJET INK
- Publication number 20190206620
- Publication date Jul 4, 2019
- Riso Kagaku Corporation
- Kenji YAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OIL-BASED MAGNETIC INK
- Publication number 20190031901
- Publication date Jan 31, 2019
- Riso Kagaku Corporation
- Kenji YAMADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL-BASED INKJET INK
- Publication number 20180079854
- Publication date Mar 22, 2018
- Riso Kagaku Corporation
- Yoshifumi WATANABE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL-BASED INKJET INK
- Publication number 20120210908
- Publication date Aug 23, 2012
- Riso Kagaku Corporation
- Toshihiro Endo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL-BASED INKJET INK
- Publication number 20120111225
- Publication date May 10, 2012
- Riso Kagaku Corporation
- Kenji YAMADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OILY INKJET INK
- Publication number 20110226157
- Publication date Sep 22, 2011
- Riso Kagaku Corporation
- Katsumi KURIYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Emulsion ink and method for producing same
- Publication number 20100086693
- Publication date Apr 8, 2010
- Riso Kagaku Corporation
- Kenji Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
BIO CELL CLEANING CENTRIFUGE AND BIO CELL CLEANING ROTOR USED IN TH...
- Publication number 20080318755
- Publication date Dec 25, 2008
- HITACHI KOKI CO., LTD.
- Kenji YAMADA
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
Sheet abnormality detection apparatus and method
- Publication number 20080224389
- Publication date Sep 18, 2008
- Komori Corporation
- Nabuaki Saito
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Bio cell cleaning centrifuge having bio cell cleaning rotor provide...
- Publication number 20030216238
- Publication date Nov 20, 2003
- HITACHI KOKI CO., LTD.
- Kenji Yamada
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
Bio cell cleaning centrifuge having detachable chamber body
- Publication number 20030216237
- Publication date Nov 20, 2003
- HITACHI KOKI CO., LTD.
- Kazuhiko Murayama
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Application
Ink jet print head and method of production thereof
- Publication number 20020180844
- Publication date Dec 5, 2002
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Configuration of inkjet head realizing uniform ink ejection perform...
- Publication number 20020171715
- Publication date Nov 21, 2002
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink jet print head and method of production thereof
- Publication number 20020126186
- Publication date Sep 12, 2002
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Kenji Yamada

Person

Patents Grantslast 30 patents

Oil-based magnetic ink

Oil-based inkjet ink

Oily inkjet ink

Bio cell cleaning centrifuge and bio cell cleaning rotor used in th...

Emulsion ink and method for producing same

Bio cell cleaning centrifuge having bio cell cleaning rotor provide...

Bio cell cleaning centrifuge having detachable chamber body

Configuration of inkjet head realizing uniform ink ejection perform...

Ink jet print head and method of production thereof

Ink jet print head and method of production thereof

Print head having array of printing elements for printer

Ink jet recording head

Ink jet print head and a method of driving ink therefrom

Ink jet printing device

Ink jet printer

Ink jet recording head

Method of manufacturing an ink ejection recording head and a record...

Ink jet printer with high power, short duration pulse

Method of producing a head for the printer

Ink jet print head

Patents Applicationslast 30 patents

OIL-BASED MAGNETIC INK

OIL-BASED MAGNETIC INKJET INK

OIL-BASED MAGNETIC INK

OIL-BASED INKJET INK

OIL-BASED INKJET INK

OIL-BASED INKJET INK

OILY INKJET INK

Emulsion ink and method for producing same

BIO CELL CLEANING CENTRIFUGE AND BIO CELL CLEANING ROTOR USED IN TH...

Sheet abnormality detection apparatus and method

Bio cell cleaning centrifuge having bio cell cleaning rotor provide...

Bio cell cleaning centrifuge having detachable chamber body

Ink jet print head and method of production thereof

Configuration of inkjet head realizing uniform ink ejection perform...

Ink jet print head and method of production thereof