Hiroyuki Hata

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Kako-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Paraffin purification method and apparatus
- Patent number 8,785,710
- Issue date Jul 22, 2014
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroaki Nago
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purification of nitrogen oxide and apparatus for purific...
- Patent number 7,776,305
- Issue date Aug 17, 2010
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroyuki Hata
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing tribromomethylsulfonylpyridine
- Patent number 6,509,470
- Issue date Jan 21, 2003
- Sumitomo Seika Chemicals Co., Ltd.
- Eiji Fujisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing tribromomethylsulfonylpyridine
- Patent number 6,420,564
- Issue date Jul 16, 2002
- Sumitomo Seika Chemicals Co., Ltd.
- Eiji Fujisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of 2-chloropyridine and 2,6-dichloropyridine
- Patent number 5,536,376
- Issue date Jul 16, 1996
- Sumitomo Seika Chemicals Co., Ltd.
- Shigenobu Yamaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing dichlorophenylthioglycolic acid
- Patent number 5,210,291
- Issue date May 11, 1993
- Sumitomo Seika Chemicals Co., Ltd.
- Michio Suzuki
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING PARAFFINS AND APPARATUS FOR PRODUCING PARAFFINS
- Publication number 20140378721
- Publication date Dec 25, 2014
- Akihiro Kuwana
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PARAFFIN PURIFICATION METHOD AND APPARATUS
- Publication number 20110245575
- Publication date Oct 6, 2011
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroaki Nago
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR FOAMING FOOD BY USING NITROUS OXIDE AS FOAMING AGENT
- Publication number 20100221392
- Publication date Sep 2, 2010
- SUMITOMO SEIKA CHEMICALS CO., LTD.
- Hajime Nakai
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Method for purification of nitrogen oxide and apparatus for purfica...
- Publication number 20090238749
- Publication date Sep 24, 2009
- SUMITOMO SEIKA CHEMICALS CO., LTD.
- Hiroyuki Hata
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for preparing tribromomethylsulfonylpyridine
- Publication number 20020128484
- Publication date Sep 12, 2002
- Eiji Fujisawa
- C07 - ORGANIC CHEMISTRY