Zenjiro Honda

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for removing pyrogens
- Patent number 4,909,942
- Issue date Mar 20, 1990
- Tanabe Seiyaku Co., Ltd.
- Tadashi Sato
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Semipermeable membrane
- Patent number 4,292,417
- Issue date Sep 29, 1981
- Daicel Ltd.
- Kiyoshi Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing semipermeable membrane having selective perme...
- Patent number 4,279,846
- Issue date Jul 21, 1981
- Daicel Chemical Industries, Ltd.
- Kiyoshi Ishii
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Semipermeable membrane of phenoxy resin containing sulfuric acid gr...
- Patent number 4,200,726
- Issue date Apr 29, 1980
- Daicel Ltd.
- Kiyoshi Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...