1
Toru Iwakawa: Method and composition for creating a protective barrier. Nippon Eisei Center, Smith Gambrell & Russell, November 13, 2001: US06316016 (18 worldwide citation)

A method for creating a barrier to protect wood materials for house construction or wooden structures such as houses from humidity, moisture and/or biological attacks, such as wood decaying fungi and termites, is disclosed. The method is to treat wood itself or, preferably, the ground surface under ...


2
Toru Iwakawa: Method of creating a barrier to wood materials and wooden structures from attack by humidity, fungi and insects. Nippon Eisei Center, Beveridge DeGrandi Weilacher & Young L, August 27, 1996: US05549869 (16 worldwide citation)

A method for creating a barrier to protect wood materials for house construction or wooden structures such as houses from humidity, moisture and/or biological attacks, such as wood decaying fungi and termites, is disclosed. The method is to treat wood itself or, preferably, the ground surface under ...


3
Toru Iwakawa: Foamable composition for creating a barrier to prevent attack of humidity, fungi and insects. Nippon Eisei Center, Beveridge DeGrandi Weilacher & Young L, September 8, 1998: US05804641 (13 worldwide citation)

A barrier to protect wood materials for house construction or wooden structures such as houses from humidity, moisture and/or biological attacks, such as wood decaying fungi and termites, is disclosed. The method is to treat wood itself or, preferably, the ground surface under the floor with a liqui ...


4
Toru Iwakawa, Tamotsu Hirahara: Under floor insect control method for residential structures. Nippon Eisei Center, Smith Gambrell & Russell Beveridge DeGrandi Weilacher & Young Intellectual Property Group, May 11, 1999: US05902597 (7 worldwide citation)

An under floor insect control method for structures in which an insect control chemical in a mixed resin foam coating is installed under the floor by forcefully mixing, at a nozzle part of the sprayer, and spraying on the soil surface the following: an aqueous emulsion, of which 15-20 percentage by ...


5
Toru Iwakawa: Earthquake-proofing reinforcing metal fitting. Nippon Eisei Center, Sughrue Mion PLLC, August 9, 2005: US06925772 (3 worldwide citation)

A reinforcing holder against vibrations for mounting on orthogonally joined architectural structural members for a wooden building so it can withstand vibrations from an earthquake. The reinforcing holder comprises a first reinforcing base member 1 which is formed on a steel plate bent by 90° and se ...


6
Toru Iwakawa: Earthquake-proofing reinforcing metal fitting. Nippon Eisei Center, Sughrue Mion PLLC, June 22, 2004: US06751921 (1 worldwide citation)

The reinforcing holder against vibrations has the vibration-proof performance further enhanced as compared with prior art so that a wooden building is not broken down even if strong vibrations are loaded by an earthquake, a typhoon or the like. The reinforcing holder against vibrations


7
Toru Iwakawa: Generating method of barrier against wood and wooden structure from attack of moisture, fungus, and insect. Nippon Eisei Center, March 25, 2000: KR1019980710164

PURPOSE: A generating method of a barrier is provided to protect from attack of a fungus and insect such as white ant. CONSTITUTION: A barrier is for protecting a wooden material from an attack of moisture and a biological attack by including a step for generating a drying film by contacting the woo ...