Yoshiharu Okumura

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Silane compound and processes for the preparation thereof
- Patent number 5,248,803
- Issue date Sep 28, 1993
- Tonen Corporation
- Tomoko Aoki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for the preparation of .gamma.-methacryloxypropylsilane c...
- Patent number 5,145,979
- Issue date Sep 8, 1992
- Tonen Corporation
- Kazutoshi Takatsuna
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silane compound and processes for the preparation thereof
- Patent number 5,142,082
- Issue date Aug 25, 1992
- Tonen Corporation
- Ryuji Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing epoxy group-containing silanes
- Patent number 4,966,981
- Issue date Oct 30, 1990
- Toa Nenryo Kogyo Kabushiki Kaisha
- Haruko Takai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aminopropyl silanes
- Patent number 4,927,953
- Issue date May 22, 1990
- Tonen Corporation
- Kazutoshi Takatsuna
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aminopropyl silanes
- Patent number 4,921,988
- Issue date May 1, 1990
- Toa Nenryo Kogyo Kabushiki Kaisha
- Kazutoshi Takatsuna
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aminopropyl alkoxy silanes
- Patent number 4,897,501
- Issue date Jan 30, 1990
- Toa Nenryo Kogyo Kabushiki Kaisha
- Kazutoshi Takatsuna
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aminopropyl alkoxy silanes
- Patent number 4,888,436
- Issue date Dec 19, 1989
- Toa Nenryo Kogyo Kabushiki Kaisha
- Kouji Shiozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing a hydrosilylation catalyst
- Patent number 4,820,674
- Issue date Apr 11, 1989
- Toa Nenryo Kogyo Kabushiki Kaisha
- Kouji Shiozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of silanes
- Patent number 4,775,651
- Issue date Oct 4, 1988
- Toa Nenryo Kogyo Kabushiki Kaisha
- Mamoru Tachikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of silanes
- Patent number 4,725,420
- Issue date Feb 16, 1988
- Toa Nenryo Kogyo Kabushiki Kaisha
- Mamoru Tachikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Two stage process for improving the catalyst life of zeolites in th...
- Patent number 4,638,106
- Issue date Jan 20, 1987
- Exxon Research and Engineering Co.
- Wim J. M. Pieters
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Two stage process for improving the catalyst life of zeolites in th...
- Patent number 4,554,260
- Issue date Nov 19, 1985
- Exxon Research and Engineering Co.
- Wim J. M. Pieters
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for hydration of olefins
- Patent number 4,507,512
- Issue date Mar 26, 1985
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshiharu Okumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for hydration of olefins
- Patent number 4,499,313
- Issue date Feb 12, 1985
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshiharu Okumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing ketones
- Patent number 4,481,373
- Issue date Nov 6, 1984
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshiharu Okumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of secondary alcohols
- Patent number 4,358,626
- Issue date Nov 9, 1982
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshiharu Okumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of tertiary alcohols
- Patent number 4,327,231
- Issue date Apr 27, 1982
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshiharu Okumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of tertiary alcohols
- Patent number 4,284,831
- Issue date Aug 18, 1981
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshiharu Okumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of tertiary butyl alcohol
- Patent number 4,270,011
- Issue date May 26, 1981
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yoshiharu Okumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of unsaturated esters
- Patent number 4,225,727
- Issue date Sep 30, 1980
- Toa Nenryo Kogyo Kabushiki Kaisha
- Setsuo Kamiyama
- C07 - ORGANIC CHEMISTRY

Yoshiharu Okumura

Person

Patents Grantslast 30 patents

Silane compound and processes for the preparation thereof

Processes for the preparation of .gamma.-methacryloxypropylsilane c...

Silane compound and processes for the preparation thereof

Process for preparing epoxy group-containing silanes

Process for preparing aminopropyl silanes

Process for preparing aminopropyl silanes

Process for preparing aminopropyl alkoxy silanes

Process for preparing aminopropyl alkoxy silanes

Process for preparing a hydrosilylation catalyst

Process for the production of silanes

Process for the production of silanes

Two stage process for improving the catalyst life of zeolites in th...

Two stage process for improving the catalyst life of zeolites in th...

Process for hydration of olefins

Process for hydration of olefins

Method of manufacturing ketones

Process for the production of secondary alcohols

Process for the production of tertiary alcohols

Process for the production of tertiary alcohols

Process for the production of tertiary butyl alcohol

Process for the production of unsaturated esters