Tokuya Ohta

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Leather coloring process, leather coloring apparatus and colored le...
- Patent number 6,357,845
- Issue date Mar 19, 2002
- Canon Kabushiki Kaisha
- Nobuyuki Kuwabara
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Ink tank with ink absorbing member
- Patent number 6,325,498
- Issue date Dec 4, 2001
- Canon Kabushiki Kaisha
- Masahiko Higuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink tank with ink absorbing member having particular holes or slits
- Patent number 6,224,200
- Issue date May 1, 2001
- Canon Kabushiki Kaisha
- Masahiko Higuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording medium
- Patent number 6,200,676
- Issue date Mar 13, 2001
- Canon Kabushiki Kaisha
- Miyuki Matsubara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink tank, head cartridge and ink jet printing apparatus
- Patent number 6,174,053
- Issue date Jan 16, 2001
- Canon Kabushiki Kaisha
- Masahiko Higuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink tank, head cartridge and ink jet printing apparatus
- Patent number 6,109,742
- Issue date Aug 29, 2000
- Canon Kabushiki Kaisha
- Masahiko Higuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Processes for coloring leather by an ink-jet printing method using...
- Patent number 6,022,383
- Issue date Feb 8, 2000
- Canon Kabushiki Kaisha
- Nobuyuki Kuwabara
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Image forming process and printed article
- Patent number 5,718,793
- Issue date Feb 17, 1998
- Canon Kabushiki Kaisha
- Tadayoshi Inamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink tank, ink tank-integrated head cartridge having the tank and in...
- Patent number 5,652,610
- Issue date Jul 29, 1997
- Canon Kabushiki Kaisha
- Jun Kawai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Monoazo compound and recording liquid containing the same
- Patent number 5,542,970
- Issue date Aug 6, 1996
- Canon Kabushiki Kaisha
- Konoe Miura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink-jet recording method making use of the ink, instrument pro...
- Patent number 5,447,562
- Issue date Sep 5, 1995
- Canon Kabushiki Kaisha
- Hiroyuki Maeda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink, and ink-jet recording method and instrument using the same
- Patent number 5,409,529
- Issue date Apr 25, 1995
- Canon Kabushiki Kaisha
- Akira Nagashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Amino sulfonaphtholtrisazo compounds and recording liquids containi...
- Patent number 4,841,037
- Issue date Jun 20, 1989
- Canon Kabushiki Kaisha
- Tokuya Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording liquid
- Patent number 4,756,757
- Issue date Jul 12, 1988
- Canon Kabushiki Kaisha
- Masahiro Haruta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Disazoic dye and recording liquid containing the same
- Patent number 4,724,001
- Issue date Feb 9, 1988
- Canon Kabushiki Kaisha
- Tokuya Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid composition and method for recording
- Patent number 4,683,002
- Issue date Jul 28, 1987
- Canon Kabushiki Kaisha
- Konoe Mirua
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for evaluating the solubility of a colorant
- Patent number 4,655,835
- Issue date Apr 7, 1987
- Canon Kabushiki Kaisha
- Masahiro Haruta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording process
- Patent number 4,655,834
- Issue date Apr 7, 1987
- Canon Kabushiki Kaisha
- Masahiro Haruta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording liquid
- Patent number 4,626,284
- Issue date Dec 2, 1986
- Mitsubishi Chemical Industries Ltd.
- Tokuya Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording process and a recording liquid thereof
- Patent number 4,597,794
- Issue date Jul 1, 1986
- Canon Kabushiki Kaisha
- Tokuya Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording medium and ink jet recording paper
- Patent number 4,517,244
- Issue date May 14, 1985
- Canon Kabushiki Kaisha
- Masatsune Kobayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording liquid
- Patent number 4,426,226
- Issue date Jan 17, 1984
- Canon Kabushiki Kaisha
- Tokuya Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for forming liquid droplets
- Patent number 4,410,899
- Issue date Oct 18, 1983
- Canon Kabushiki Kaisha
- Masahiro Haruta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid recording medium
- Patent number 4,395,288
- Issue date Jul 26, 1983
- Canon Kabushiki Kaisha
- Tsuyoshi Eida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid recording material
- Patent number 4,395,287
- Issue date Jul 26, 1983
- Canon Kabushiki Kaisha
- Masatsune Kobayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording liquid and method for producing the same
- Patent number 4,373,954
- Issue date Feb 15, 1983
- Canon Kabushiki Kaisha
- Tsuyoshi Eida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink jet recording head
- Patent number 4,368,476
- Issue date Jan 11, 1983
- Canon Kabushiki Kaisha
- Haruo Uehara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording method using film forming liquid composition
- Patent number 4,361,842
- Issue date Nov 30, 1982
- Canon Kabushiki Kaisha
- Masahiro Haruta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid jet recording head
- Patent number 4,338,611
- Issue date Jul 6, 1982
- Canon Kabushiki Kaisha
- Tsuyoshi Eida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording liquid composition
- Patent number 4,325,735
- Issue date Apr 20, 1982
- Canon Kabushiki Kaisha
- Tokuya Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Tokuya Ohta

Person

Patents Grantslast 30 patents

Leather coloring process, leather coloring apparatus and colored le...

Ink tank with ink absorbing member

Ink tank with ink absorbing member having particular holes or slits

Ink jet recording medium

Ink tank, head cartridge and ink jet printing apparatus

Ink tank, head cartridge and ink jet printing apparatus

Processes for coloring leather by an ink-jet printing method using...

Image forming process and printed article

Ink tank, ink tank-integrated head cartridge having the tank and in...

Monoazo compound and recording liquid containing the same

Ink, ink-jet recording method making use of the ink, instrument pro...

Ink, and ink-jet recording method and instrument using the same

Amino sulfonaphtholtrisazo compounds and recording liquids containi...

Recording liquid

Disazoic dye and recording liquid containing the same

Liquid composition and method for recording

Process for evaluating the solubility of a colorant

Recording process

Recording liquid

Recording process and a recording liquid thereof

Recording medium and ink jet recording paper

Recording liquid

Method for forming liquid droplets

Liquid recording medium

Liquid recording material

Recording liquid and method for producing the same

Ink jet recording head

Recording method using film forming liquid composition

Liquid jet recording head

Recording liquid composition