Hiroshi Kuyama

Person

Urawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carbonaceous adsorbent for removal of pyrogen from water
- Patent number 5,166,123
- Issue date Nov 24, 1992
- Tokyo Organic Chemical Industries, Ltd.
- Wataru Agui
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Carbonaceous adsorbent for removal of pyrogen and method of produci...
- Patent number 5,021,391
- Issue date Jun 4, 1991
- Tokyo Organic Chemical Industries, Ltd.
- Wataru Agui
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Carbonaceous adsorbent for removal of pyrogen and method of produci...
- Patent number 4,883,596
- Issue date Nov 28, 1989
- Tokyo Organic Chemical Industries, Ltd.
- Wataru Agui
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Metal salt of N-substituted alkylenebisdithiocarbamic acid
- Patent number 4,315,846
- Issue date Feb 16, 1982
- Tokyo Organic Chemical Industries, Ltd.
- Masuo Kuchikata
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sulphonation method for manufacture of a cation exchange resin
- Patent number 4,209,592
- Issue date Jun 24, 1980
- Rohm & Haas Company
- Hiroshi Akiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Granular flocculants and their manufacture
- Patent number 4,195,028
- Issue date Mar 25, 1980
- Rohm & Haas Company
- Wataru Agui
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Granular flocculants and their manufacture
- Patent number 4,186,167
- Issue date Jan 29, 1980
- Rohm & Haas Company
- Wataru Agui
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Hiroshi Kuyama

Person

Patents Grantslast 30 patents

Carbonaceous adsorbent for removal of pyrogen from water

Carbonaceous adsorbent for removal of pyrogen and method of produci...

Carbonaceous adsorbent for removal of pyrogen and method of produci...

Metal salt of N-substituted alkylenebisdithiocarbamic acid

Sulphonation method for manufacture of a cation exchange resin

Granular flocculants and their manufacture

Granular flocculants and their manufacture