Our Projects
Asphalt and Molten Sulfur to and from China, Japan, and South Korea
2010 to 2017
We provided consultation, and handled importation & exportation of Specialty Petroleum Products focused in asphalt and molten sulfur for Petrolux Ltd. who had supply contracts with Oil Majors in Japan, China, and USA.
Donation of 800 Sleeping Bag to Mr. Ken Noguchi's Sleeping Bag Assistance Project for 3/11 Earthquake in Japan
March 2011
Request was made by Mr. Ken Noguchi's brother, Tetsuya Noguchi for assistance to produce and deliver 800 sleeping bags to Japan for survivors of "Great East Japan Earthquake" which actually arrived Iwate and Miyagi areas on April 2, 2011. The sleeping bags were produced in Ningbo, China and was delivered by Japan by ANA.
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Acquisition of Japan Patent No. 6493613
March 23, 2019
Hand and finger cleaning device patent is approved by Japan Patent Office.
Acquisition of Japan Patent No. 6493600
March 23, 2019
Patent on mixing container device with spray was approved.
Acquisition of Japan Patent No. 6717513
June 15, 2020
Patent of Individual package opening aid, mixture container, and individual package was approved on June 15, 2019.
Production of Level 2 Surgical Masks in Hong Kong
June 2020
Star Products Company Limited was the first to supply ASTM Level 2 grade surgical masks for adults, kids, and pre-schoolers all made in Hong Kong.
Donation of Ten Thousand Level 1 Surgical Masks to Kanagawa Prefecture in May 2020.
Augut 13, 2020
Crown Company Limited received official thank you letter from Governor Yuji Kuroiwa of Kanawaga Prefecture.
Patent Application in United States
April 16, 2020
Crown Company Limited submitted PCT application on Japan Patent No. 6493600
Patent Application in United States
April 29, 2021
Crown Company Limited submitted PCT application on Japan Patent No. 6717513
Acquisition of China Patent No. 4701936
September 24, 2021
The patent is PCT application of Japan Patent 6493600 and was submitted on March 26, 2019 and was approved on September 24, 2021.
Acquisition of Patent No. 6986797
December 2, 2021
This patent exhibits a new formula in producing hyprochlorous acid water, an extremely effective disinfectants, for deactivating bad bacteria and viruses.
Acquisition of China Patent No. 6685511
February 6, 2024
This patent exhibits a new formula in producing hyprochlorous acid water, an extremely effective disinfectants, for deactivating bad bacteria and viruses.
Acquisition of Hong Kong Special Administrative Region Patent No. 6986797
April 19, 2024
Hyporchlorous acid water-preparing agent, Individual package thereof, and method of producing hyporclorous acid water
Acquisition of Japan Patent No. 7650527
March 14, 2025
This patent exhibits how to manufacture lens hood with special functions
Submission of Patent on Massage
March 28, 2022
This patent exhibits a new formula in producing hyprochlorous acid water, an extremely effective disinfectants, for deactivating bad bacteria and viruses.
Registration of Kashikoina Logo No. 6344301 in Japan
January 22, 2021
Registration of "Kashikoina" logo for marketing goods and services relating to our Patented and Patent Pending Invention registered under Crown Company Limited
Awaiting Approval for US Patent
X day, 2025
This patent exhibits a new formula in producing hyprochlorous acid water, an extremely effective disinfectants, for deactivating bad bacteria and viruses.
