Company History
| September 1945 | Founder president Mamoru Kunii started personal mercantile store KOKUGO Shokai for sales of rubber products for medical and physical-and-chemical related fields. |
|---|---|
| September 1947 | Reorganized store to KOKUGO Shokai Corporation with capital of 180,000 JPY. |
| June 1952 | Changed store name to KOKUGO Gomu (Rubber) Corporation. |
| October 1964 | Opened Osaka Sales Office in Takatsuki, Osaka. |
| November 1967 | Opened Iwaki Sales Office in Iwaki, Fukushima. |
| June 1970 | Increased capital to 20,000,000 JPY. |
| October 1974 | Opened Adachi (Tokyo) Distribution Center to improve logistics efficiency. |
| October 1977 | Changed company name KOKUGO Gomu (Rubber) Corporation to KOKUGO Co., Ltd., aiming to breakthrough as company for design, development, and sales of rubber and plastic products. |
| April 1983 | Opened Quality Assurance Department in Tokyo Adachi Distribution Center. |
| June 1984 | Opened Ibaraki-Tokai Sales Office in Tokai-mura, Ibaraki. |
| October 1986 | Opened Shizuoka Sales Office in Hamaoka-cho, Shizuoka. |
| June 1988 | Opened Tokyo Adachi Plant. |
| December 1988 | Tokyo Adachi Plant was certified as medical instrument manufacturing plant. [Current 3rd Class Medical Instrument Manufacturing and Sales License No. 13B3X00178] |
| September 1990 | Opened Shizuoka Sales Office in Kanaya-cho, Shizuoka. |
| January 1995 | Akinori Minami assumed office of President and CEO as Mamoru Kunii became Chairman. |
| October 1998 | Opened Tokyo Logistics Center when Tokyo Adachi Plant was relocated. |
| August 2000 | Opened clean room in Tokyo Logistics Center. |
| October 2002 | Relocated Osaka Sales Office to Higashi-Tenma, Kita-ku, Osaka, as Osaka Branch Office due to business expansion. |
| August 2003 | Obtained ISO 9001:2000 approval. [Registration No. JMAQA-1623] |
| October 2004 | Opened Mie Sales Office in Tsu, Mie. |
| October 2004 | Opened KOKUGO "e-net", online shopping site |
| April 2005 | Tokyo Adachi Plant obtained following approvals in conjunction with revision of Pharmaceutical Affairs Act: [Medical Instrument Manufacturing License No. 13BZ006030] [3rd Class Medical Instrument Manufacturing and Sales License No. 13B3X00178] |
| June 2005 | Opened Aomori Sales Office in Rokkasho-mura, Aomori. |
| June 2005 | Opened Shizuoka Sales Office in Shizuoka, Shizuoka. |
| August 2005 | Obtained ISO 14001:2004 approval. [Registration No. JMAQA-E580] |
| September 2008 | Changed Ibaraki-Tokai Sales Office to Ibaraki-Tokai Branch Office due to business expansion. |
| April 2009 | Acquired Sanpo Co., Ltd. as affiliated subsidiary. |
| July 2009 | Acquired Minami Gomu Shoten Ltd. as an affiliated subsidiary. |
| July 2009 | Tokyo Adachi Plant obtained following approvals: [Veterinary Instrument and Apparatus Manufacturing License No.: 21 Medical Manufacturing No. 253] [3rd Class Veterinary Instrument and Apparatus Manufacturing and Sales License No.: 21 (Medical Manufacturing and Sales) III No. 74] |
| July 2010 | Relocated Mie Sales Office to Nagoya and opened Nagoya Branch Office due to business expansion. |
| May 2011 | Opened Osaka Logistics Center Takatsuki, Osaka. |
| February 2012 | Tokyo Adachi Plant obtained following certification: [2nd Class Medical Instrument Manufacturing and Sales License No. 13B3X00177] |
| March 2012 | Opened Osaka Branch Office in Tenma, Osaka. |
| January 2014 | Integrated and relocated Shizuoka Sales Office to Nagoya Sales Branch. |
| April 2014 | Changed Iwaki sales office to sales branch due to business expansion. |
| April 2016 | Merged affiliated subsidiary Minami Gomu Shoten Ltd. into Sanpo Co., Ltd. |