在大楼维修保养公司工作的山川政可具有消防设备员资格，他发明了家庭主妇使用的灭火器具─—灭火伞。他的发明想法比较单纯，只是为了关心家庭主妇和居民救火时的安全。山川的发明是从灭火训练中得到联想的。厨房的火灾其起火原因，多数是油锅产生，所以街道居民会屡次的灭火 Yamakawa, who works at the building maintenance company, is qualified as a firefighting equipter. He invented the fire extinguisher that is used by housewives--a firefighting umbrella. His idea of ​​invention is relatively simple, just to care about the safety of the housewife and the residents when they save fire. The invention of Yamakawa was derived from fire fighting training. The cause of fire in kitchen fires is that most of them are oil pans, so street residents will repeatedly fire