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
Iwakawa Toru: Ventilator. Nippon Eisei Center, August 18, 2005: JP2005-221131 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a ventilator, suitably varying the delivery flow rate and direction of ozone, effectively preventing the generation of germs and termites, and facilitating repair and replacement work.SOLUTION: In this ventilator 1, a cartridge mounting space 23 is partitioned in the ...


7
Iwakawa Toru: Wooden-board connecting fitting. Nippon Eisei Center, July 9, 2002: KR1020010047275 (3 worldwide citation)

PURPOSE: To provide a wooden-board connecting fitting, by which wooden building-material boards can mutually be connected and fixed simply and firmly while connection appearance having excellent appearance is obtained. CONSTITUTION: In the wooden-board connecting fitting (1) connecting the mutual wo ...


8
Hirata Fumitaka: Support for wire stretching. Nippon Eisei Center, May 23, 2000: JP2000-139324 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a support for wire stretching usable for wire stretching and fixing on an edge of a base in stretching wires for defending bird damage, electric wire, earth line or the like. SOLUTION: This support comprises a support 1-1 obtained by disposing a screw part 12 in a st ...


9
Iwakawa Toru: Termiticide and termiticidal material. Nippon Eisei Center, April 17, 2001: JP2001-106609 (1 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a termiticide causing little harm to mammals and surrounding environment, and having strong insecticidal activities and repellent activities against termites. SOLUTION: This termiticide contains a natural essential oil comprising pennyroyal oil and/or a neem oil as an ...


10
Iwakawa Toru: Earthquake resistant reinforcing fitting. Nippon Eisei Center, July 27, 2001: JP2001-200590 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide an earthquake resistant reinforcing fitting to be attached to the joining part of an intersected and connected construction material to reinforce it so that a wooden building does not collapse even when strong vibration is applied on the wooden building due to an ear ...