Yoshio Iwai

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluorination catalyst and process for fluorinating halogenated hydr...
- Patent number 6,337,299
- Issue date Jan 8, 2002
- Daikin Industries Ltd.
- Takashi Shibanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorination catalyst and process for fluorinating halogenated hydr...
- Patent number 6,300,531
- Issue date Oct 9, 2001
- Daikin Industries, Ltd.
- Takashi Shibanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing fluorination catalyst used to fluorinate halog...
- Patent number 5,849,658
- Issue date Dec 15, 1998
- Daikin Industries Ltd.
- Takashi Shibanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Coreless twist-ties
- Patent number 5,342,687
- Issue date Aug 30, 1994
- Kyowa Limited
- Yoshio Iwai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Coreless twist-ties
- Patent number 5,154,964
- Issue date Oct 13, 1992
- Kyowa Limited
- Yoshio Iwai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Triperfluoroalkylamines and preparation of the same
- Patent number 5,075,508
- Issue date Dec 24, 1991
- Daikin Industries Ltd.
- Kenji Mikami
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR