Tomio Tanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Agent for absorbing and releasing water vapor
- Patent number RE33355
- Issue date Sep 25, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- 524 - Synthetic resins or natural rubbers
Information Patent Grant
Method for the extraction of water from macromolecular solutions
- Patent number 4,828,710
- Issue date May 9, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for adsorbing and desorbing
- Patent number 4,729,834
- Issue date Mar 8, 1988
- Mitsui Toatsu Chemicals, Inc.
- Hiroshi Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Urine absorbing and holding material
- Patent number 4,718,899
- Issue date Jan 12, 1988
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Agent for absorbing and releasing water vapor
- Patent number 4,683,258
- Issue date Jul 28, 1987
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Unsaturated cyclic amido-substituted ether compounds and preparatio...
- Patent number 4,649,219
- Issue date Mar 10, 1987
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- C07 - ORGANIC CHEMISTRY