Masatsugu Akiba

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Stabilizer and method of manufacturing the same, thermoplastic poly...
- Patent number 8,536,258
- Issue date Sep 17, 2013
- Sumitomo Chemical Company, Limited
- Ryoji Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bisphenol monoester compound
- Patent number 8,076,402
- Issue date Dec 13, 2011
- Sumitomo Chemical Company, Limited
- Ryoji Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bisphenol monoester-based stabilizer composition, thermoplastic pol...
- Patent number 7,977,418
- Issue date Jul 12, 2011
- Sumitomo Chemical Company, Limited
- Kenji Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxy resin composition and process for producing the same
- Patent number 6,011,130
- Issue date Jan 4, 2000
- Sumitomo Chemical Company, Limited
- Noriyuki Arai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin, resin composition, and resin-encapsulated semiconducto...
- Patent number 5,939,473
- Issue date Aug 17, 1999
- Sumitomo Chemical Company, Limited
- Yasuhiro Hirano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxy resin, resin composition, and resin-encapsulated semiconducto...
- Patent number 5,939,509
- Issue date Aug 17, 1999
- Sumitomo Chemical Company, Ltd.
- Yasuhiro Hirano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxy resin stilbenes and process for producing the same by photois...
- Patent number 5,854,370
- Issue date Dec 29, 1998
- Sumitomo Chemical Company, Limited
- Akira Yokota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Filler-containing resin composition suitable for injection molding...
- Patent number 5,780,145
- Issue date Jul 14, 1998
- Sumitomo Chemical Company, Limited
- Yasuhiro Hirano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
- Patent number 5,750,789
- Issue date May 12, 1998
- Sumitomo Chemical Company Limited
- Yasuhiro Hirano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Filler-containing resin composition suitable for injection molding...
- Patent number 5,719,225
- Issue date Feb 17, 1998
- Sumitomo Chemical Company, Ltd.
- Yasuhiro Hirano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin and process for producing the same
- Patent number 5,705,596
- Issue date Jan 6, 1998
- Sumitomo Chemical Company, Limited
- Akira Yokota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxy resin composition and resin-encapsulated semiconductor device
- Patent number 5,646,204
- Issue date Jul 8, 1997
- Sumitomo Chemical Company, Limited
- Masatsugu Akiba
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
- Patent number 5,498,687
- Issue date Mar 12, 1996
- Sumitomo Chemical Company, Limited
- Yasuhiro Hirano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
- Patent number 5,444,165
- Issue date Aug 22, 1995
- Sumitomo Chemical Company, Limited
- Yasuhiro Hirano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
- Patent number 5,326,881
- Issue date Jul 5, 1994
- Sumitomo Chemical Company Ltd.
- Yasuhiro Hirano
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Bisphenol Monoester compound
- Publication number 20090143517
- Publication date Jun 4, 2009
- Ryoji Soma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Bisphenol monoester-based stabilizer composition, thermoplastic pol...
- Publication number 20090043027
- Publication date Feb 12, 2009
- Sumitomo Chemical Company, Limited
- Kenji Kimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Stabilizer and method of manufacturing the same, thermoplastic poly...
- Publication number 20090030127
- Publication date Jan 29, 2009
- Sumitomo Chemical Company, Limited
- Ryoji Soma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Masatsugu Akiba

Person

Patents Grantslast 30 patents

Stabilizer and method of manufacturing the same, thermoplastic poly...

Bisphenol monoester compound

Bisphenol monoester-based stabilizer composition, thermoplastic pol...

Epoxy resin composition and process for producing the same

Epoxy resin, resin composition, and resin-encapsulated semiconducto...

Epoxy resin, resin composition, and resin-encapsulated semiconducto...

Epoxy resin stilbenes and process for producing the same by photois...

Filler-containing resin composition suitable for injection molding...

Unsaturated imide compounds containing alicyclic structure, process...

Filler-containing resin composition suitable for injection molding...

Epoxy resin and process for producing the same

Epoxy resin composition and resin-encapsulated semiconductor device

Unsaturated imide compounds containing alicyclic structure, process...

Unsaturated imide compounds containing alicyclic structure, process...

Unsaturated imide compounds containing alicyclic structure, process...

Patents Applicationslast 30 patents

Bisphenol Monoester compound

Bisphenol monoester-based stabilizer composition, thermoplastic pol...

Stabilizer and method of manufacturing the same, thermoplastic poly...