Name ENAX, Inc.
President Yuji Sakurai
Established April, 1996
Company Split-up July 8, 2019
Capital JPY 100 million
Sales FY2023 (March) JPY 1,842 million
Number of Employees 88 as of March 31, 2023
Head Office Address Colonnade Kasuga 2-12-12 Kasuga, Bunkyo-ku, Tokyo, 112-0003
TEL/FAX TEL +81-3-5689-0089
FAX +81-3-5689-0030
Business Description
  • Development, contracted prototyping, manufacturing and sales of lithium ion secondary batteries
  • Development, manufacturing and sales of battery packs
  • Design, manufacturing and sales of applications equipped with lithium ion secondary batteries
  • Development of electrodes for lithium ion secondary batteries
Primary Customers Top leading automotive manufacturers, railway companies, precision equipment manufacturers and national research institutes
Primary Stockholder DPIP Private Equity I L.P.
Others Regular member of Battery Association of Japan

Head office

Colonnade Kasuga 2-12-12 Kasuga, Bunkyo-ku, Tokyo, 112-0003
TEL +81-3-5689-0089
FAX +81-3-5689-0030

10 minutes walk from Myogadani Station or 15 minutes walk from Korakuen Station on the Tokyo Metro
Marunouchi Line
Car parking available

Yonezawa office kubota site

2474-1 Kubota, Kubotamachi
Yonezawa, Yamagata Prefecture, 992-0003
TEL +81-238-36-0066
FAX +81-238-36-0067

About 20 minutes by taxi from Yonezawa Station

Yonezawa office bansei site
(Process development center)

2723-1 Kuwayama, Bansei-cho
Yonezawa, Yamagata Prefecture, 992-1123
TEL +81-238-27-1271
FAX +81-238-27-1270

About 10 minutes by taxi from Yonezawa Station