Zenkoku Nogyokai, Nogyo Kagaku Kenkyusho (File #277)

Taiyo Kagaku Kenkyusho (File #272)

Hinode Kagaku Kenkyusho (File #69)

Meguro Kagaku Kenkyusho (File #134)

Tohoku Kinzoku Kagaku Kenkyusho (File #257)

Ogino Kagaku Kenkyusho (File #230 A)

Kokuritsu Nogyo Shikenjo (File #121)

Furukawa Rikagaku Kenkyusho (File #55)

Nippon Shinkuyokai Kenkyusho (File #151)

Nitto Rikigaku Kenkyusho (File #225)

Nippon Denkikagaku Kenkyusho (File #194)

Tanikawa Thoron Kenkyusho (File #266)

Kagaku Kenkyusho Kaken, Scientific Research Institute (Formerly Rikagaku Kenkyusho Riken, Institute of Physicochemical Research)

Hodogaya Kagaku (File #72)

Sano Kagaku (File #211)

Tochigi Kagaku (File #262)

Chiba Nogyo Semmon Gakko (Chiba Daigaku Engeigaku-Bu) (File #34)

Kindai Kagaku K.K. (File #109)

Shonan Kagaku Kogyosho (File #243)

Tokyo Kagaku Yakuhin (File #251)

Aichi Kagaku Kogyo (File #23)

Mitsui Kagaku K.K. (File #143)

Sumida Kagaku Yakuhin (File #246)

Mitsui Kagaku K.K. (File #140)

Yokozawa Kagaku Kogyo (File #279)