| 1985 | 
Aug:Founded in Minami-Aoyama, TokyoOct:Opened Development center in Nishikojiya, Ota-ku, Tokyo | 
| 1986 | 
Jan:Developed and launched the worlds wide first of ceramic gas filters for semiconductor manufacturing lines and launch of the PGF series.Sep:Developed and launched the high Accuracy Pressure Sensor the PC-302 series for Semiconductor MFG Equipment. | 
| 1987 | 
Jun:Relocated Head office & factory to Hachioji, TokyoAug:Developed and launched the gas line baking system as world wide first in the MFG field. | 
	
| 1988 | 
Oct:Developed and launched the world wide first highly corrosion-resistant Hastelloy® the UCH series for semiconductor manufacturing lines. | 
	
| 1989 | 
Jul:Rewarded 14th Inoue Harushige Group | 
	
| 1991 | 
Mar:Developed and launched all-metal filters the UCS series for semiconductor manufacturing lines. | 
	
| 1994 | 
Feb:Developed and launched ultra-high purity gas compact purifiers GP series.Aug:Developed and launched high-performance pressure transmitter PC-304 series. | 
	
| 1995 | 
Jul:Established new head office and factory in Yoshima Core Industrial Park, Iwaki City, Fukushima. Opened Tokyo branch office in Hachioji, Tokyo.
 Developed and launched metal Element (SUS316L & HASTELLOY® ).
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| 2001 | 
Apr:Developed and launched highly noise-resistant pressure sensor PC-700 series.
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| 2004 | 
Oct:Developed and launched high temperature(300℃) resistant pressure sensor PCH-1000 series as the first in the MFG field. | 
	
| 2005 | 
Oct:Developed and launched PTFE Element Gas Filter TF series. | 
	
| 2006 | 
Feb:Developed High Precision Micro Differential Pressure Gauge and launch the PCZ-300 series.Apr:Acquired ISO 14001/2004 (Head office/Iwaki factory). | 
	
| 2007 | 
Apr:Expands Class 1 Super Clean Room. Established new facilities Ultrasonic Vaccum Cleaning System Installation.
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| 2008 | 
Jan:Acquired ISO 9001/2000(Head office/Iwaki factory).Mar:Established Tokyo branch office in Chuo-ku, Tokyo.Jun:Won the METI 's "Vigorous 300 Small and Medium-sized Enterprises" Award. | 
	
| 2010 | 
Jan:Acquired ISO 9001/2008(Head office/Iwaki factory) | 
	
| 2011 | 
Jul:MEMS pressure sensor Authorized by the Ministry of Economy, Trade and Industry.Oct:The SCE series Authorized the Ministry of Economy, Trade and Industry's as the project for the development of a standard micro gas flow controller.Dec:Launched water purifier series "純真水"(Junshinsui).   | 
	
| 2012 | 
Sep:The X-ray tube was adopted by the Japan Science and Technology Agency (JST) Recovery Promotion Program (Matching Promotion) Type II for R&D of industrial X-ray equipment.Dec:Developed and lanched Gasket type gas filter  "Hybrid filter" PGH series. Developed and launched UCS-H series, which uses SUS316L for the case and Hastelloy® for the element.
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| 2013 | 
Dec:Developed and lanched cone-type and gasket-type gas filter PGT series.
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| 2014 | 
Mar:Launched the standard conductance element SCE and minute gas flow introduction device PMFC-100 series.Oct:Acquired「Medical Device Manufacturing License」 (License No. 07BZ200060) | 
	
| 2015 | 
Jul:Acquired ISO 13485/2003 | 
	
| 2016 | 
Aug:Supported the a grant from the New Energy and Industrial Technology Development Organization(NEDO) as「Open Innovation Promotion Project for Accelerating IoT Technology Development」  | 
	
| 2017 | 
Sep:Supported the a grant from the Industrial Creation Division of the Commerce, Industry and Labor Department of Fukushima as「demonstration of development of medical X-ray tubes and portable cold cathode X-ray sources for home medical care and emergency medical care」.Dec:Nominated as a "Regional Future Driving Company" by the Ministry of Economy, Trade and Industry. | 
	
| 2018 | 
Feb:Announced  "Healthy Workplace Declaration"Nov:Rewarded Technology Award 2018 Vacuum section from the Japan Society for Vacuum and Surface Science. | 
	
| 2019 | 
Apr:Conductance Element the SCE Series won both the "Excellent Award" and the "Special Award for Industry-Academia-Government Collaboration" at the 31st Small and Medium Enterprise New Technology Awards.Jul:Rewarded the "Iwaki City Manufacturing Award" by Iwaki CitySep:Started operation Yoshima Plant No.4.  | 
	
| 2020 | 
Nov:Started operation Yoshima Plant No.3.  | 
	
| 2021 | 
Oct:Certified「Supports working women company」by Fukushima Prefecture. | 
	
| 2023 | 
Jan:Acqirede:ISO 9001/2015 (Head office/Iwaki factory)Acqirede:ISO 14001/2015(Head office/Iwaki factory)
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