Akihiko NAKATA

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Kawasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Filtration filter, filtration method, production method of purified...
- Patent number 10,429,738
- Issue date Oct 1, 2019
- Tokyo Ohka Kogyo Co., Ltd.
- Akihiko Nakata
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION METHOD FOR RESIST COMPOSITION PURIFIED PRODUCT, RESIST P...
- Publication number 20220242821
- Publication date Aug 4, 2022
- Tokyo Ohka Kogyo Co., Ltd.
- Akihiko NAKATA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
FILTRATION FILTER, FILTRATION METHOD, PRODUCTION METHOD OF PURIFIED...
- Publication number 20170090293
- Publication date Mar 30, 2017
- Tokyo Ohka Kogyo Co., Ltd.
- Akihiko NAKATA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL