Patents pending and patent rights for MOTHER RACK
International applicationF PCT/JP2004/008665 "Cargo rack"
- Date of application: June 14, 2004
- Priority date: October 10, 2003
- An international prior review report in February of 2006 found novelty, progressiveness, and industrial availability in all 15 claims.
- Migration processes in 12 countries and areas such as Japan, the United States, Europe, China, etc. were completed in May, 2006.


Patent rightF Japan Patent No.: 3881369 "Cargo rack"
- Date of registration: November 17, 2006
- MOTHER RACK was registered in Japan in preparation for the above international application.



Other patent rights we own
Japan Patent No.: 3587513 "Cooling tank"
- Date of application: April 26, 2001
- Date of registration: August 20, 2004

U.S. patent No.: 7,069,738 "Cooling tank"
- Date of application: April 24, 2002
- Date of registration: July 4, 2006

China patent No.: ZL02808862.X "Cooling tank"
- Date of application: April 24, 2002
- Date of registration: November 29, 2006

Japan Patent No.: 3505163 "Tank frame"
- Date of application: September 25, 2001
- Date of registration: December 19, 2003

Japan Patent No.: 3505169 "Refrigerated container and air-conditioning panel"
- Date of application: April 11, 2002
- Date of registration: December 19, 2003

Japan Patent No.: 3669503 "Container for cargo"
- Date of application: August 9, 2002
- Date of registration: April 22, 2005

We plan to actively develop the MOTHER RACK and container series and secure intellectual property such as patent rights.









ROKKO ENGINEERING CO., Ltd.
7-14 Minatojima Chuo-ku, Kobe Hyogo Japan
650-0045
TEL: +81-78-303-3539 FAX: +81-78-303-6929
E-Mail:info@rokko-e.com