Ryu Oi

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Yellow hue compound and aqueous ink for ink-jet recording system us...
- Patent number 7,091,261
- Issue date Aug 15, 2006
- Mitsui Chemicals, Inc.
- Yoriaki Matsuzaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Anthraquinone compound and water-based ink-jet recording ink contai...
- Patent number 6,800,674
- Issue date Oct 5, 2004
- Mitsui Chemicals, Inc.
- Osamu Kohgo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Transparent laminates and optical filters for displays using same
- Patent number 6,104,530
- Issue date Aug 15, 2000
- Mitsui Chemicals, Inc.
- Tomoyuki Okamura
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for controlling plant growth
- Patent number 5,953,857
- Issue date Sep 21, 1999
- Mitsui Chemicals, Inc.
- Ichiro Aiga
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Plasma display filter
- Patent number 5,804,102
- Issue date Sep 8, 1998
- Mitsui Chemicals, Inc.
- Ryu Oi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Near infrared ray absorbing compound having high durability and its...
- Patent number 5,788,914
- Issue date Aug 4, 1998
- Mitsui Chemicals, Inc.
- Ryu Oi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinophthalone compounds and polarizing films using same
- Patent number 5,750,599
- Issue date May 12, 1998
- Mitsui Toatsu Chemicals, Inc.
- Akira Ogiso
- G02 - OPTICS
Information Patent Grant
Phthalocyanine compound and optical recording medium containing it
- Patent number 5,750,229
- Issue date May 12, 1998
- Mitsui Toatsu Chemicals, Inc.
- Takahisa Oguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Near infrared absorber, preparation process therefor and use thereof
- Patent number 5,705,101
- Issue date Jan 6, 1998
- Mitsui Toatsu Chemicals, Inc.
- Ryu Oi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo compounds and polarizing films using the compounds
- Patent number 5,698,682
- Issue date Dec 16, 1997
- Mitsui Toatsu Chemicals, Inc.
- Yoriaki Matsuzaki
- G02 - OPTICS
Information Patent Grant
Quinophthalone compounds
- Patent number 5,659,039
- Issue date Aug 19, 1997
- Mitsui Toatsu Chemicals, Inc.
- Akira Ogiso
- G02 - OPTICS
Information Patent Grant
Phthalocyanine compound and optical recording medium containing it
- Patent number 5,646,273
- Issue date Jul 8, 1997
- Mitsui Toatsu Chemicals, Inc.
- Takahisa Oguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo compounds and polarizing films using the compounds
- Patent number 5,639,809
- Issue date Jun 17, 1997
- Mitsui Toatsu Chemicals, Inc.
- Yoriaki Matsuzaki
- G02 - OPTICS
Information Patent Grant
Phthalocyanine and naphthalocyanine light-absorbing compound and op...
- Patent number 5,446,142
- Issue date Aug 29, 1995
- Mitsui Toatsu Chemicals, Inc.
- Hisato Itoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the electroreduction of aromatic carboxylic acids
- Patent number 5,108,558
- Issue date Apr 28, 1992
- Mitsui Toatsu Chemicals, Incorporated
- Shinji Takenaka
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for producing m-phenoxybenzyl alcohol
- Patent number 5,068,459
- Issue date Nov 26, 1991
- Mitsui Toatsu Chemicals, Inc.
- Ryu Oi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of m-phenoxybenzyl alcohol
- Patent number 4,694,110
- Issue date Sep 15, 1987
- Mitsui Toatsu Chemicals, Inc.
- Shinji Takenaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing m-hydroxybenzyl alcohol
- Patent number 4,684,449
- Issue date Aug 4, 1987
- Mitsui Toatsu Chemicals, Inc.
- Shinji Takenaka
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Optical Filter and Its Applications, and Porphyrin Compound Used in...
- Publication number 20070293666
- Publication date Dec 20, 2007
- Mitsui Chemicals, Inc.
- Hiromi Minami
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Anthraquinone compound and water-based ink-jet recording ink contai...
- Publication number 20030078318
- Publication date Apr 24, 2003
- Osamu Kohgo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Person

Patents Grantslast 30 patents

Yellow hue compound and aqueous ink for ink-jet recording system us...

Anthraquinone compound and water-based ink-jet recording ink contai...

Transparent laminates and optical filters for displays using same

Method for controlling plant growth

Plasma display filter

Near infrared ray absorbing compound having high durability and its...

Quinophthalone compounds and polarizing films using same

Phthalocyanine compound and optical recording medium containing it

Near infrared absorber, preparation process therefor and use thereof

Azo compounds and polarizing films using the compounds

Quinophthalone compounds

Phthalocyanine compound and optical recording medium containing it

Azo compounds and polarizing films using the compounds

Phthalocyanine and naphthalocyanine light-absorbing compound and op...

Process for the electroreduction of aromatic carboxylic acids

Process for producing m-phenoxybenzyl alcohol

Process for production of m-phenoxybenzyl alcohol

Process for producing m-hydroxybenzyl alcohol

Patents Applicationslast 30 patents

Optical Filter and Its Applications, and Porphyrin Compound Used in...

Anthraquinone compound and water-based ink-jet recording ink contai...