Katsumi Sato

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air cleaning filter, process for preparing the same, and high-level...
- Patent number 6,352,578
- Issue date Mar 5, 2002
- Takasago Thermal Engineering Co., Ltd.
- Soichiro Sakata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air-cleaning filter, method of producing the same, and high-level c...
- Patent number 6,146,451
- Issue date Nov 14, 2000
- Takasago Thermal Engineering Co.
- Soichiro Sakata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air cleaning apparatus, air filter and method for manufacturing the...
- Patent number 6,120,584
- Issue date Sep 19, 2000
- Takasago Thermal Engineering Co., Ltd.
- Soichiro Sakata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus and method for evaluating contamination caused by organic...
- Patent number 5,882,938
- Issue date Mar 16, 1999
- Takasago Thermal Engineering Co., Ltd.
- Hideto Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Storehouse for use in storage of clean materials
- Patent number 5,798,455
- Issue date Aug 25, 1998
- Takasago Thermal Engineering Co., Ltd.
- Soichiro Sakata
- F24 - HEATING RANGES VENTILATING