Junichi Kawakami

Follow

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Propane production method and propane production apparatus
- Patent number 10,364,199
- Issue date Jul 30, 2019
- Sumitomo Seika Chemicals Co., Ltd.
- Akihiro Kuwana
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preserving quality of nitric oxide
- Patent number 9,945,516
- Issue date Apr 17, 2018
- Sumitomo Seika Chemicals Co., Ltd.
- Junichi Kawakami
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification method and purification system for propane
- Patent number 9,556,089
- Issue date Jan 31, 2017
- Sumitomo Seika Chemicals Co., Ltd.
- Junichi Kawakami
- C07 - ORGANIC CHEMISTRY
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

Patents Applicationslast 30 patents

Information Patent Application
PROPANE PRODUCTION METHOD AND PROPANE PRODUCTION APPARATUS
- Publication number 20170349506
- Publication date Dec 7, 2017
- SUMITOMO SEIKA CHEMICALS CO., LTD.
- Akihiro KUWANA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRESERVING QUALITY OF NITRIC OXIDE
- Publication number 20160003414
- Publication date Jan 7, 2016
- Sumitomo Seika Chemicals Co., Ltd.
- Junichi Kawakami
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
PURIFICATION METHOD AND PURIFICATION SYSTEM FOR PROPANE
- Publication number 20140343341
- Publication date Nov 20, 2014
- Sumitomo Seika Chemicals Co., Ltd.
- Junichi Kawakami
- 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