1. HOME
  2. COMPANY
  3. HISTORY

COMPANY

About us

HISTORY

History

Year 1999 Established as Ryoho Freeze Systems Ltd.
We mainly sell freezers. Development and sales of sterilization and cooling equipment.
Year 2003 Succeeded in developing a useful freezer that “does not make ice particles too large.” Sales start.
Year 2004 Reorganized to Ryoho Freeze Systems Co., Ltd.
Year 2005 Tokyo sales head office opened.
Installed a practical freezer and fusion defrozer.
Year 2006 Youthful Freezer received the Kansai New Business Council [NBK Award: Nihon Keizai Shimbun Company Award].
Year 2007 Registered Proton Freezer as a trademark (this led to the name change from “Usual Freezer” to “Proton Freezer” and “Fusion Defroser” to “Proton Thaw Machine”).
Certified by the Ministry of Economy, Trade and Industry’s Kinki Bureau of Economy, Trade and Industry as a new collaborative project.
Proton freezing machine will be exhibited at UN DEVNET Shanghai Exhibition.
Tokyo sales head office was renamed and relocated to Tokyo branch.
Head office relocated. It has a test kitchen and showroom.
Year 2008 Certified as a Nara Prefecture Growth Field Industry Development Challenge Project.
Year 2009 Opened “Proton Dining”, a French restaurant that utilizes frozen Proton products.
[Nara Prefecture Business Awards: Grand Prize] Received.
Obtained patent for proton freezing machine.
Year 2010 Patented proton thawing machine.
Certified as [Nara Prefecture’s only company].
Year 2012 “Purongtong Luyayuan Restaurant” opened in Dalian, China.
Year 2013 Obtained a patent for the thawing machine “Mysterious Mushroom.”
Obtained a patent for the freezing machine “Reborn”.
Year 2015 Established Enrich Food Manufacturers Co., Ltd.
Year 2016 Established Proton Holdings Co., Ltd.
Enrich Food Manufacturers Co., Ltd.’s Okinawa Uruma Factory was completed. Started operation.
Increased capital of Pulongtong (Dalian) Restaurant Co., Ltd. The trade name was changed to Pulongtong (Dalian) International Trading Co., Ltd.
PROTON DINING (SINGAPORE) PTE. LTD. Established.
SHINSEN PD (MALAYSIA) SDN. BHD. Established.
Proton Dining opens at Isetan LOT 10 store in Bukit Bintang, Kuala Lumpur.
Okinawa: Proton Equipment Manufacturing Co., Ltd. established.
Year 2017 “Proton Corner” opened at Isetan Shinjuku main store.
“Proton Dining” opens in Sendai Mitsukoshi.
Selected as a [Regional Future Driving Company] by the Ministry of Economy, Trade and Industry.
Year 2020 Opened a frozen food store specializing in Proton frozen products.
Year 2021 Opened Tokyo branch offices “Hanabata Office” and “Hatchobori Office.”
Opened the second frozen food specialty store “Every Meal Market” in Hatchobori, Chuo-ku, Tokyo.
Year 2022 Opened Fukuoka office in front of Hakata Station, Hakata Ward, Fukuoka City.