Idemitsu Kosan
Tokyo, Tokyo, Japan
About
Idemitsu Kosan is involved in the development and manufacturing of solid electrolytes for batteries, particularly focusing on all-solid-state battery technology in collaboration with Toyota.
The company also engages in various energy sources and materials, indicating a broad involvement in the energy sector, including battery materials.
Listed In
In the Battery Report
Idemitsu Kosan is named on 1 page of Volta Foundation's annual Battery Report.
Supply Chain Segments
Battery Chemistries
Solid State
Location Info
- HQ
- Tokyo, Tokyo, Japan
North America (1)
- Office
- Sacramento, California, United States
Asia-Pacific (10)
- Office
- Fukuoka, Fukuoka Prefecture, Japan
- Manufacturing
- Himeji, Hyogo Prefecture, Japan
- Manufacturing
- Ichihara, Chiba Prefecture, Japan
- Manufacturing
- Kameyama, Mie Prefecture, Japan
- Manufacturing
- Sambu, Chiba Prefecture, Japan
- Office
- Sapporo, Hokkaido, Japan
- Manufacturing
- Tomakomai, Hokkaido, Japan
- Office
- Pasig City, Philippines
- Office
- Singapore, Singapore
- Manufacturing
- Panthong, Chonburi, Thailand
Quick Facts
- Team Size
- 2000+
- Funding
- Public
- Last Updated
- Oct 13, 2026
