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Akitoshi Sugimoto
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Kochi-shi, Kochi, JP
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last 30 patents
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Patent Grant
Porous ceramic filter, method of manufacturing the same, ceramic fi...
Patent number
5,989,420
Issue date
Nov 23, 1999
Yuugengaisya Mikazuki Bunkakaikan
Akitoshi Sugimoto
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Ceramic filter filtration apparatus for purifying swimming pool water
Patent number
5,632,890
Issue date
May 27, 1997
Akitoshi Sugimoto
B08 - CLEANING
Information
Patent Grant
Pool water purification system for a plurality of pools
Patent number
5,584,990
Issue date
Dec 17, 1996
Akitoshi Sugimoto
B08 - CLEANING
Information
Patent Grant
Pool water purification system
Patent number
5,584,992
Issue date
Dec 17, 1996
Akitoshi Sugimoto
B08 - CLEANING
Information
Patent Grant
Liquid purification system with microfiltration means, disinfection...
Patent number
5,536,403
Issue date
Jul 16, 1996
Akitoshi Sugimoto
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Porous filter for liquid purification, and liquid purifying filter...
Patent number
5,403,480
Issue date
Apr 4, 1995
Akitoshi Sugimoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Circulating fluid purification apparatus and pool water purifying s...
Patent number
5,370,793
Issue date
Dec 6, 1994
Akitoshi Sugimoto
B08 - CLEANING
Information
Patent Grant
Method of cleaning porous ceramic filters
Patent number
5,244,585
Issue date
Sep 14, 1993
Akitoshi Sugimoto
B08 - CLEANING