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Takao Hashimoto
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Higashimatuyama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing hydrotreating catalyst
Patent number
6,576,584
Issue date
Jun 10, 2003
Tonen Corporation
Masahiko Iijima
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrotreating catalyst for hydrotreating hydrocarbon oils
Patent number
6,436,870
Issue date
Aug 20, 2002
Tonen Corporation
Masahiko Iijima
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Calcium-phosphate type hydroxyapatite
Patent number
5,217,699
Issue date
Jun 8, 1993
Toa Nenryo Kogyo Kabushiki Kaisha
Nobuaki Tagaya
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Binderless zeolite catalysts, production thereof and catalytic reac...
Patent number
5,098,894
Issue date
Mar 24, 1992
Toa Nenryo Kogyo K.K.
Satoshi Sakurada
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Calcium-phosphate type hydroxyapatite for chromatographic separatio...
Patent number
5,082,566
Issue date
Jan 21, 1992
Toa Nenryo Kogyo Kabushiki Kaisha
Nobuaki Tagaya
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Steam reforming catalyst for hydrocarbon and method for manufacturi...
Patent number
5,075,277
Issue date
Dec 24, 1991
Tonen Corporation
Akira Saiai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Assemblage of hydroxyl apatite particles and liquid chromatography...
Patent number
5,037,543
Issue date
Aug 6, 1991
Toa Nenryo Kogyo K.K.
Tsugio Maejima
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Binderless zeolite catalysts, production thereof and catalytic reac...
Patent number
4,977,120
Issue date
Dec 11, 1990
Toa Nenryo Kogyo K.K.
Satoshi Sakurada
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Calcium-phosphate type hydroxyapatite and process for producing same
Patent number
4,794,171
Issue date
Dec 27, 1988
Toa Nenryo Kogyo Kabushiki Kaisha
Nobuaki Tagaya
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Calcium-phosphate type hydroxyapatite for chromatographic separatio...
Patent number
4,781,904
Issue date
Nov 1, 1988
Tao Nenryo Kogyo Kabushiki Kaisha
Nobuaki Tagaya
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the low polymerization of isobutene
Patent number
4,513,166
Issue date
Apr 23, 1985
Toa Nenryo Kogyo Kabushiki Kaisha
Satoshi Sakurada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the low polymerization of isobutene
Patent number
4,454,367
Issue date
Jun 12, 1984
Toa Nenryo Kogyo Kabushiki Kaisha
Satoshi Sakurada
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Version with markings to show changes made
Publication number
20020112991
Publication date
Aug 22, 2002
Masahiko Iijima
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL