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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ogawa; Kinya
Address:
Kawasaki, JP
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
5580192 Artificial soil structure and a method of preventing land desertification using the same December 3, 1996
An artificial soil structure includes at least one hydrophobic layer of hydrophobic particles provided in a soil. A particle size of the hydrophobic particles can be 2000 micrometers and less. The hydrophobic particles are sand and/or dirt treated with a water-repellent agent or hydr
5472458 Artificial soil structure and a method of preventing land desertification using the same December 5, 1995
An artificial soil structure includes at least one hydrophobic layer of hydrophobic particles provided in a soil. A particle size of the hydrophobic particles can be 2000 micrometers and less. The hydrophobic particles are sand and/or dirt treated with a water-repellent agent or hydr
5393312 Agent for prevention of salt damage of plants and a method of preventing salt damage of plants u February 28, 1995
An agent for the prevention of salt damage of plants for use in intermediate soil comprised of water-repellent particles, and a method of preventing salt damage to plants from salty soil using an agent to establish a water-repellent layer as a layer above the underground water level.
5383943 Soil block for pot plant cultivation and a method of cultivating pot plants using the same January 24, 1995
A soil block for pot plant cultivation having a water-retentive layer, a hydrophobic layer above it, and a soil layer above that is provided. The water-retentive layer may consist of a sand layer, a water layer or a sand layer retaining water. The hydrophobic layer may consist of hydroph
4834745 Sustained-release dispenser of sex pheromone of insects May 30, 1989
The invention provides a dispenser form for substainedly releasing vapor of a sex pheromone compound of pest insects with an object to control the population of the insects. The invention dispenser is characterized by the features that: the capacity thereof is sufficiently large to conta










 
 
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