Corporate Information

Company Motto: “I will do it!” Our attitude toward work is to be proactive with a sense of initiative.

Management Philosophy

1. Achieve personal growth through awareness of the parties involved and self-improvement, and build your own shining future.

2. We aim to realize the happiness of our employees and their families and a good relationship of trust with our business partners.

3. We will fulfill our social responsibility through the development of the company by practicing “positive challenge” and “mutual respect” toward the fulfillment of the company’s goals.

4. Aware that we are the world’s top runner, we will continue to provide “joy” and “excitement” to our customers through “Rastro” products and aim to improve customer satisfaction.

Company Profile

Company Name Iwasaki Industry Inc.
Business Description Manufacturing and distribution of plastic household goods and sundries, automotive products, Manufacturing and sales of Medical Devices
Established November 17th, 1957
Capital 100,000,000 yen
Directors and Officers
(as of June 30th, 2018)
President and Representative Director
Yoshihisa Iwasaki
Managing Director
Takeshi Yanetani
Akihiro Iwasaki
Hikaru Yamamoto
Number of Employees 120 (as of March 31, 2022)
Major Banks Mizuho Bank, Osaka Branch
Shoko Chukin Bank, Nara Branch
Mitsubishi UFJ Bank, Kosaka Branch
Acquired Licenses / Permissions The Marketing Authorization Holder for Medical Devices
The Registered Manufacturing site for Medical Devices

Corporate History

1934 Founding of the Iwasaki Store in Higashi Osaka City
June, 1950 Establishment of a general partnership company, Iwasaki Industry (later changed its name to Iwasaki)
November, 1957 Establishment of Iwasaki Industry Inc.
November, 1967 Acquisition of a factory site at 1216-5 Nukatabekita-machi, Yamatokoriyama City, Nara Prefecture
September, 1968 The start of manufacturing and selling plastic household goods under the Lustroware brand
December, 1983 Approval to label our products Japan Industrial Standards (JIS) by the Ministry of Economy, Trade and Industry
September, 1993 Completion of the Mie plant
June, 2011 Acquisition of ISO9001 Quality Management System Certification at the Mie plant
January, 2015 Selection of The MicroClear container for “2015 MONODZUKURI New Selection in KANSAI” sponsored by the Kinki Bureau of Economy, Trade and Industry in the Ministry of Economy, Trade and Industry
May, 2016 Selection as one of the “Vibrant HABATAKU Small and Medium Enterprises 300 Program” by the Small and Medium Enterprise Agency (SMEA) of the Ministry of Economy, Trade and Industry
December, 2017 Addition of a Class 1 Level Clean Room at the Mie plant site
November, 2018 Marketing Authorization Holder for Medical Devices
and Registered Manufacturing site for Medical Devices
December, 2018 Relocation of headquarters to 421-2 Takada-cho, Yamatokoriyama City
December, 2020 As part of manufacturing the medical equipments, we built production facility and started producing the three layers nonwoven fabric masks (medical usage / general usage) that match ASTM Level2.
December, 2020 Mie plant acquired the International Quality Management System Standard “ISO13485” Certification.

Office Location List

Office Location List
Lustromedic (Mie Plant) medical supply sales area: all over Japan.


  • Business Management & Administration Department
  • Manufacturing and Sales Coordination Section, Domestic Manufacturing Management Dept
  • Overseas Manufacturing Management Department
  • Quality Operations Department
  • Marketing Project Planning & Development Design Department
  • Sales Support Department
  • Sales Support Department Contract Sales Division
  • Sales Support Department Order Fulfilment Center
  • Medical Supply Division
  • Overseas Sales Department
421-2 Takada-cho, Yamatokoriyama City, Nara Prefecture
TEL 0743-56-1311 (main)
FAX 0743-56-1316

Mie Plant

  • Domestic Production Control Dept
  • Domestic Manufacturing Dept.
  • Sales Support Department Distribution center
  • Medical Supply Division
10 Koyo-cho, Matsusaka City, Mie Prefecture
TEL 0598-29-1811 (main)
FAX 0598-29-3111

Eastern Japan Sales Department

  • Tokyo Sales Office
1-10-2 Yanagibashi, Taito-ku, Tokyo
TEL 03-5825-8611 (main)
FAX 03-5825-8723

Western Japan Sales Department

  • Osaka Sales Office
421-2 Takada-cho, Yamatokoriyama City, Nara Prefecture
TEL 0743-56-8444 (main)
FAX 0743-56-1414

Western Japan Sales Department

  • Fukuoka Sales Office
4F 2nd Shinkansen Bldg, Hakataekihigashi, Hakata-ku, Fukuoka City
TEL 092-441-0245 (main)
FAX 092-474-5272