Sekisui Chemical
Japan-based Sekisui Chemical was established in 1947 and consists of three division companies (entities) and a corporate department. Sekisui is involved in a wide range of business in industries like: real-estate and housing, electronics, automotive, various chemicals and plastics (like photosensitive materials, semiconductors and more) and more.
In the field of perovskites, Sekisui seems to be involved in research pertaining to aspects of solar cells like encapsulation and coatings, stability improvements and more. The Company may be working with Panasonic, but this is not confirmed.
In 2023, Sekisui announced it will begin mass production of perovskite solar cells, in an effort to catch up with Chinese competitors.