Eiji Tanaka

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Continuous production method of propylene-based block copolymer
- Patent number 6,646,044
- Issue date Nov 11, 2003
- Japan Polychem Corporation
- Fuminao Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Waste water treatment apparatus
- Patent number 6,007,712
- Issue date Dec 28, 1999
- Kuraray Co., Ltd.
- Eiji Tanaka
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Deodorant comprising metal oxide-carrying activated carbon
- Patent number 5,948,398
- Issue date Sep 7, 1999
- Kuraray Chemical Co., Ltd.
- Tetsuya Hanamoto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Freshness keeping sheet
- Patent number 5,436,067
- Issue date Jul 25, 1995
- Kuraray Chemical Co., Ltd.
- Tetsuya Hanamoto
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Fan blade comprising adsorbent particles, fine plastic particles an...
- Patent number 5,256,476
- Issue date Oct 26, 1993
- Kuraray Chemical Co., Ltd.
- Eiji Tanaka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL