Corporate Philosophy

Mimasu provides integral solutions in production of those safety and security critical components as applied in the aerospace industry, the nuclear fuel industry, and the high-speed train vehicle industry etc. Since the establishment of the organization in 1966, Mimasu has significantly achieved its track records by combining our cutting-edge precision machining, in-house vacuum heat treatment and assembly processes with an integrated supply chain to provide the manufacturing package to our customers. With our philosophy of "unwavering commitment towards uncompromising manufacturing", Mimasu strives to stay close to the evolving needs of customers through on-going development of the latest technologies and engineering expertise.
We maintain a sterling reputation, particularly for our superior efficiency and quality in precision machining of hard-to-machine materials such as stainless steel, titanium and inconel. In order to guarantee the highest quality, we acquired the ISO 9001 and JIS Q 9100 certification as well as the process accreditation for our heat treatment and other special processes by every prime manufacturers in the aerospace industry.

05.1966	Founding/inauguration of (YK) Mimasu Industries Co., Ltd. in Shinagawa City, Tokyo
10.1974	Structural reorganization as (KK) Mimasu Industries Co., Ltd.
06.1982	Company relocation to present site
09.1990	Completion of Nasu Plant in Nasushiobara City, Tochigi
10.1990	(above) Nasu Plant begins operations
12.1992	Obtained heat treatment certification for Boeing
03.1993	Obtained heat treatment certification for Kawasaki Heavy Industries
07.2001	Current president Tadasuke Nakanishi assumes post
12.2001	Obtained heat treatment certification for Fuji Heavy Industries
11.2002	Obtained ISO 9001, 2000 accreditation
11.2002	Recipient of Excellent Factory Award and All-Round Achievement Award from Ota City, Tokyo
02.2005	Obtained magnetic particle testing certification for Fuji Heavy Industries
06.2007	Obtained JIS Q 9100 accreditation
11.2007	Recipient of Excellent Factory Award and All-Round Achievement Award from Ota City, Tokyo
12.2007	Upgraded to certified processing subcontractor for IHI
01.2008	Upgraded to certified QMS class IV supplier for Fuji Heavy Industries
11.2008	Grand Prize recipient of the Tokyo Prefecture Governor's Prize for Small and Medium Enterprise Vocational Training Development in Manufacturing
06.2009	Listed in the "300 Japanese Dynamic Monozukuri (Manufacturing) SMEs" by METI's Small and Medium Enterprise Agency