1981 Feb

Japan Lifeline Co., Ltd. established in Toshima-ku, Tokyo, Japan

Released cardiac pacemakers

Opened Sapporo, Osaka and Fukuoka sales offices

1987 Sep Opened Sendai and Hamamatsu sales offices
1989 Mar Released PTCA balloon catheters
Jul Opened Aomori and Nagoya sales offices
Sep Opened Hiroshima sales office


1990 Mar Released prosthetic heart valves
Sep Opened Kagoshima sales office
1991 Jul

Opened Hokuriku sales office

Released vascular grafts

1992 Jan Opened logistics center
Feb Opened Urawa sales office
Apr Opened Tokyo and Matsuyama sales offices
Sep Opened Yokohama and Okayama sales offices
1993 Oct Opened Niigata sales office
1994 Jan Released PTCA guide wires
Mar Released PTCA guiding catheters
Jun Opened Kitakyushu sales office

Opened Akita and Takamatsu sales offices

Released pump-oxygenator

1995 Nov Released oxygenator and electrophysiology catheter
1996 Nov Opened Koriyama sales office
1997 Oct Opened Kyoto sales office
Dec Registered over-the-counter stock with the Japan Securities Dealers Association (currently JASDAQ), went public
1998 Feb Released PTCA stent
1999 Aug Opened Research center (R&D facility)


2000 Oct Opened Ukima factory (manufacturing facility)
2001 Apr

Opened Matsumoto sales office

Released PTCA guide wires as an in-house product

Aug Released ICD (implantable cardioverter defibrillator)
Oct Opened Nagasaki sales office
2002 Apr Released electrophysiology catheter as an in-house product
2003 Apr

Opened Chiba sales office

Released ablation catheter as an in-house product

2004 Apr Opened Yonago sales office
2005 Aug Released atrial septal defect closing device
Nov Opened Okinawa regional office
2006 Apr

Acquired ISO13485:2003 certification (For the Regulatory Affairs and Quality Assurance Division, Ukima Factory, and Research Center)

Opened Kumamoto regional office

Dec Released CRT-D (cardiac resynchronization therapy defibrillators)
2007 Jun Concluded exclusive sales agreement for Sorin Group CRM (LivaNova)(cardiac rhythm management) products
Jul Opened TENNOZ ACCADEMIA(Education center)

Merged with Sorin Group Japan Co., Ltd. through absorption-type merger

Opened Morioka regional office

2008 Jan Head office relocated to shinagawa-ku, Tokyo
2009 Feb JUNKEN MEDICAL Co., Ltd. (formerly Ube Junken Co., Ltd.) became a subsidiary
Apr Released vascular grafts manufactured by JUNKEN MEDICAL Co., Ltd.


2010 May Opened Ibaraki regional office

Opened Kobe sales office

Synexmed (Hong Kong) Ltd. and Synexmed (Shenzen) Co., Ltd. became subsidiaries

2011 Oct Opened Tama sales office
2012 Jan Opened Toda factory
Apr Opened Gunma and Oita regional offices
Oct Released internal atrial cardioversion system


Released biological heart valve

2013 May

Released thoracic stent graft

Released radio-frequency transseptal needle

2014 Apr Released PTCA balloon catheters as an in-house product
Jul Released open stent graft manufactured by JUNKEN MEDICAL
Oct Opened Oyama Factory
2015 Apr Released esophageal temperature monitoring system
Dec Opened Numazu regional office
2016 Jan Released abdominal stent graft
May Changed of our Stock Market Listing from the JASDAQ (Standard) market to the First Section of the Tokyo Stock Exchange
Jul Opened Hakodate and Mie regional offices
2017 Apr

Merged with JUNKEN MEDICAL Co., Ltd. through absorption-type merger

Opened Tokyo sales office Ⅱ and Fukui, Nara, Himeji, Yamaguchi and Miyazaki regional offices

May Opened Asahikawa and Kushiro regional offices
Oct Opened Utsunomiya and Shizuoka regional offices
2018 Mar Released drug-eluting stent
Apr Opened Kochi regional office