Seimei ni kansuru kenkyuu : ishin kagaku

Moratoriumu ni kansuru kenkyuu

Gin ni kansuru kenkyuu

Kin ni kansuru kenkyuu

Gunjihi ni kansuru kenkyuu

Tennentou ni kansuru kenkyuu

Nihonjin no seimei ni kansuru kenkyuu : ichimei nihon kokumin shin shibouhyou

Denki tousei ni kansuru kenkyuu

Keihi ni kansuru kenkyuu

Kiito no sendo chousa ni kansuru kenkyuu

Kokutei shuushinsho ni kansuru kenkyuu

Inasaku no houkyou ni kansuru kenkyuu

Densenbyou ni okeru meneki ni kansuru kenkyuu

Sekiyu sekitan gasu ni kansuru kenkyuu

Roudou kumiai houan ni kansuru kenkyuu

Naibu kansa ni kansuru chousa kenkyuu

Gijutsu kensa ni kansuru chousa kenkyuu

Shina tsuuka mondai ni kansuru kenkyuu

Touhoku kougyou kensetsu ni kansuru kenkyuu

Kekkaku yobou wakuchin kenkyuu meirei ni kansuru joushinsho

Kani seimei hoken no shibouritsu ni kansuru chousa

Kani seimei hoken no shibouritsu ni kansuru chousa

Kani seimei hoken no shibouritsu ni kansuru chousa

Menyou no naizou kiseichuu ni kansuru kenkyuu houkoku

Shinrin houboku narabini saisou ni kansuru kenkyuu