Takuchi riyou ni yoru fukushokubutsu no jikyuuhou

Takuchi riyou no shiori

Takuchi riyou shiki shuukaku sosaibatake

Jikken takuchi riyouhou

Shizenbutsu no riyou

Aisu pondo shisutemu ni yoru kanrei enerugi no riyou ni kansuru kenkyuu

Shizenbutsu ouyou ni yoru onbutsu

Juutaku ni okeru shizen enerugī no passhibu riyou ni kansuru kenkyuu

Onkyuu kinko no riyou ni tsuite

Toufu seizou fukusanbutsu no yuukou riyou ni kansuru kenkyuu

Kichin no riyou ni kansuru kenkyuu : shutoshite kouso ni yoru kouseitou oyobi sono yuudoutai no seisanhou

Taiyou enerugī riyou ni yoru shitsunai kikou chousei ni okeru tatemono no netsu youryou ni kansuru kenkyuu

Shizenryoku no riyou

Shizenryoku no riyou

Juutaku kyoukyuu riyou ni kansuru sangyou kumiai chousa

Zenhansha o riyou shita hisenkei kougaku teisuu sokuteihou ni yoru yuuki zairyou no kenkyuu

Kousangyou ni okeru ozon no riyou

Kaki oyobi kiuifurūtsu ikushu ni okeru keishitsu tenkanhou no riyou

Kanreichi souen ni okeru sehi saibaihou to sehi chisso no dojouchuu de no kyodou narabini souju ni yoru kyuushuu riyou

Shizen gengo shori ni okeru bunmyaku no riyou ni kansuru kenkyuu

Haibutsu riyou ni yoru hiryou no seisan : dai 1ji oushuu daisenji no sansenkoku no jirei

Chika shigen no riyou

Haibutsu riyou

Haibutsu riyou

Kokudo no riyou ni kansuru nenji houkoku