Tokyo , Japan ( CNN ) -- The Japanese government has ordered repairs to seats aboard planes operating in several countries after accusing the manufacturer of falsifying safety test results . Koito Industries Ltd. falsified fire- and shock-resistance test results in the design and manufacturing of its aircraft seats , the Japanese Transport Ministry said in a news release . The company also failed to obtain the necessary approval from transportation authorities for the material it used in the back of seats , near the food tray drop-down , the ministry said . The problem affects 150,000 seats . The ministry has ordered Koito to fix the seats and establish quality-control measures . The affected airlines operate in Japan , the United States , China and Singapore . The seats are mainly aboard Boeing and Airbus planes , The New York Times quoted Koito President Takashi Kakewaga as saying Monday in Tokyo . Several airlines , including Continental Airlines , Singapore Airlines and All Nippon Airways , have postponed introducing aircraft recently because of delays in getting seats from Koito , the newspaper said . Koito is Japan 's largest supplier of aircraft seats , manufacturing them for 32 carriers worldwide . Koito also manufactures and sells electrical equipment and is involved in housing construction . Toyota owns 20 percent of the shares of Koito Industries ' parent company . The aircraft seat problem follows troubles with Toyota automobiles that have tarnished the company 's image . On Tuesday , Toyota 's president apologized as he announced the global recall of more than 400,000 of the automaker 's 2010 hybrid models , including the popular Prius , for problems in their anti-lock braking systems . In addition , two problems involving gas pedals caused Toyota to recall 8.1 million vehicles worldwide since November . CNN 's Yoko Wakatsuki contributed to this report .
Airline seat manufacturers complained of false test results , use of unapproved materials . It affects 150,000 seats ; government has ordered seats be fixed . Koito has also failed to establish quality - control measures .