In the past, the fishing industry in Tokyo Bay meant "utase Efishing from wooden boats. However, the 1700 vessels in the fleet at its peak are now no longer to be seen. With the decline in seaweed beds, the move to off-shore fishing, and the shift from wind power to engines, the sails, which were the symbol of the utase fishing boats, have disappeared. We believe however, that utase fishing boats might well serve as a savior for today's Tokyo Bay, and thus are considering how they might be revived.