The seventh Risai, who worked vigorously in the late Edo period and was also an excellent lacquerer as well as a joiner, collaborated with both Seigen KURODA and Ikkan HIKI, and lived a long life, being called 'the restorer of the Komazawa family.'
江戸時代後期に活躍した7代・利斎は指物だけではなく塗師としても一流の腕を持ち、黒田正玄や飛来一閑らと合作を作るなど意欲的に製作を行い、長寿にも恵まれ「駒沢家中興の祖」といわれる。