Company History

Oct. 1946

Synthetic resin molding and processing industry, "YOSHIDA Seisakusho" is established in Azumacho, Sumida-ku, Tokyo

Jun. 1950

Company name changes to "YOSHIDA Kogyo Co., Ltd."

Oct. 1951

Operation of second and third plants in Azumacho, Sumida-ku, Tokyo

May. 1952

Injection molding business starts

Nov. 1958

Sales Department is spun off as an independent company to strengthen operations, named "YOSHIDA Sangyo Co., Ltd."

Jun. 1960

Ofuna Plant built and begins operations

Jun. 1961

Nagano Plant begins operations

Aug. 1964

New head office building open

Jan. 1965

Osaka Sales Office starts

Sep. 1965

Fully automated molding begins using large compression molding machines

Jun. 1968

Injection blow molding begins

Nov. 1968

Ashikaga Plant Starts operation.

Jul. 1970

Completion of mold's division in Ashikaga Plant

Apr. 1971

Starts computer system operation

Sep. 1976

Nagano Plant completely renovation

Aug. 1977

Stretch-blow production starts

May. 1979

Tubing production begins

Feb. 1981

Technology transfer to LIR in France

Apr. 1981

Shizuoka Plant built and begins operations

May. 1985

CAD starts

Apr. 1987

Consignment production begins in Taiwan

Jun. 1988

Consignment production in Korea

Aug. 1989

Commenced consignment production in Indonesia

Apr. 1990

Iwate Plant begins operations

Mar. 1992

Compact automatic assembly line begins operation

Sep. 1993

TYM, a merged company, establishes a factory in France and begins operations

Nov. 1993

Introduction of 3D CAD

Jul. 1995

Tianjin Plant in China begins operations

Sep. 1996

Establishment of "YOSHIDA International Co., Ltd.""

Feb. 2000

ISO 9002 certification (Ofuna Plant)

Jul. 2002

Integrate YK window molding and finishing line

Feb. 2003

ISO 9001 (2000 version) certification (Ofuna Plant)

Feb. 2004

ISO 14001 certification (YOSHIDA Group)

Jun. 2004

Change company name ("YOSHIDA INDUSTRIES Co., Ltd." and "YOSHIDA COSMEWORKS Co., Ltd.") and separate company ("YOSHIDA TECHNOWORKS Co., Ltd.")

Jun. 2006

YOSHIDA INDUSTRIES Ashikaga Plant Mobile Division merges into YOSHIDA TECHNOWORKS

Jun. 2006

Overseas sales division is spun off as "YOSHIDA Inc."

Apr. 2008

"PAC Co., Ltd." starts as a filling division

Dec. 2009

Ofuna Plant close

Apr. 2013

Introduction of NY-IS (E&QMS), an in-house management system

Jul. 2013

Opening of Research Lab.

Apr. 2014

Introduction of Tohmatsu Innovation Club as part of employee education
(now Biz CAMPUS Online)

Dec. 2014

"VIETNAM YOSHIDA CO., LTD." is constructed and begins operations

Oct. 2018

Vietnam Plant expansion nearly doubles total floor space

Nov. 2019

Construction of a new 3-story office and blow molding plant at Nagano Plant

Apr. 2020

Ashikaga Plant Building No. 3 expans from a single-story to a three-story D building, significantly improving quality by improving the work environment (static and dust elimination, comfortable work environment, and room for expansion)










Technology Development

Apr. 1973

YK Print
(single in-mold) developmentWorld First

Dec. 1974

Rotational double molding development

Jan. 1975

Development of YKIB molding

Mar. 1978

Development of YK MetalWorld First

Jul. 1979

Development of YK Hook
(compact opening/closing part)World First

May. 1980

Development of FP filling for cosmeticsWorld First

Apr. 1981

Development of YK Seal

Aug. 1982

Development of YK Leather

Aug. 1989

Development of YK Print Super Hard

Mar. 1993

Development of YK-V-Hook

Dec. 1994

Development of multi-chamber tubesWorld First

Mar. 1996

Development of YK Window

Aug. 1996

Development of airtight compact

Jun. 1998

Development of loose powder containerx

Mar. 2000

Development of double-in-moldWorld First

Jun. 2000

Development of mask mold

Dec. 2003

Development of Trimming-cut Equipment of YK Window

Dec. 2005

YK-DIP introduced

Jan. 2010

Development of PLAGLASS and start of mass productionWorld First
"PLAGLASS" logo is registered trademark of the YOSHIDA INDUSTRIES Co., Ltd. in the US, EM and Japan. 

Apr. 2012

Development and mass production of ChiarotubesWorld First

Apr. 2013

Development of PLAGLASS2
"PLAGLASS" logo is registered trademark of the YOSHIDA INDUSTRIES Co., Ltd. in the US, EM and Japan. 

Jun. 2015

Development of 3D-IMLWorld First

Apr. 2017

Development of AirSurface (in-mold)World First

We continue to create the future of plastics engineering