- Jun. 11, 2010

- Message from new COVALENT CEO, Masanori Nishimura
- Jun. 1, 2010

- Notification of Discontinuation of Some Transparent Quartz Glass Products.
- nano tech 2009Finished
- Dates: February 18 (Wed) - 20 (Fri), 2009
Location :Tokyo Big Sight
Exhibition products : Silica glass micro-fabricated substrates etc.
- SEMICON Japan 2008 Finished
- Dates: December 3 (Wed) - 5 (Fri), 2008
Location : Makuhari Messe
Exhibition products : Semiconductor-related products
- 17th International Powder Technology Exhibition Tokyo Finished
- Dates: October 28 (Tue) - 31 (Fri), 2008
Location : Makuhari Messe
Micro ceramic spherical powder/Break filter/Sofvac filter
- Semicon Europa 2008 Finished
- Dates: October 7 (Tue) - 9 (Fri), 2008
Location : New Stuttgart Trade Fair Centre, Stuttgart
Exhibition products : Semiconductor-related products

- Covalent Materials is the former Toshiba Ceramics. In 2006, the managers of the former company established a new, independent company through a management buyout, which resulted in a separation from the Toshiba Group.