Kokuritsu Kankyō Kenkyūjo. Henshū Iinkai

• Biseibutsu o mochiita osen dojō, chikasui no jōka kikō ni kansuru kenkyū (tokubetsu kenkyū)
• Kaiiki hozen no tame no senkaiiki ni okeru busshitsu junkan to suishitsu jōka ni kansuru kenkyū (tokubetsu kenkyū)
• Kaiiki no abura osen ni taisuru kankyō shūfuku no tame no baioremediēshon gijutsu to seitaikei eikyō hyōka shuhō no kaihatsu
• Kankyō fuka no kōzō henka kara mita toshi no taiki to suishitsu mondai no haaku to sono taiōsaku ni kansuru kenkyū
• Kankyōchū no yūki enso kagōbutsu no bakuroryō hyōka to fukugō kenkō eikyō ni kansuru kenkyū
• Koshō kankyō shihyō no kaihatsu to arata na koshō kankyō mondai no kaimei ni kansuru kenkyū
• Sekitan nenshō ni tomonau taiki osen ni yoru kenkō eikyō to shippei yobō ni kansuru kenkyū
• Shitchi seitaikei no shizen saisei gijuts hyōka ni kansuru kenkyū (tokubetsu kenkyū)
• Shizen riyō kyōkagata tekisei suishitsu kaizen gijutsu no kyōdō kaihatsu ni kansuru kenkyū (kaihatsu tojōkoku kankyō gijutsu kyōdō kenkyū)
• Yusō, junkan shisutemu ni kakaru kankyō fuka no teiryōka to kankyō eikyō no sōgō hyōka shuhō ni kansuru kenkyū (tokubetsu kenkyū)