Itaru Nitta

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polypeptide
- Patent number 5,643,744
- Issue date Jul 1, 1997
- Sumitomo Chemical Company, Limited
- Itaru Nitta
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing highly pure carboxylic acid phenyl esters
- Patent number 5,488,138
- Issue date Jan 30, 1996
- Sumitomo Chemical Company, Limited
- Itaru Nitta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic oligomer and process for preparing the same
- Patent number 5,446,124
- Issue date Aug 29, 1995
- Sumitomo Chemical Company, Limited
- Masahiro Niwano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polyesters and a method for producing the same
- Patent number 5,399,656
- Issue date Mar 21, 1995
- Sumitomo Chemical Company, Limited
- Itaru Nitta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid crystal polyester resin composition improved in fluidity
- Patent number 5,352,746
- Issue date Oct 4, 1994
- Sumitomo Chemical Company, Limited
- Kuniaki Asai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...