Author
Doboku Gakkai
26
Denki Gakkai (1888)
18
Denshi Jōhō Tsūshin Gakkai (Japan)
16
Denshi Tsūshin Gakkai
14
Denshi Tsūshin Gakkai
8
Nihon Kikai Gakkai
8
Nihon Kenchiku Gakkai
7
Denshi Jōhō Tsūshin Gakkai (Japan)
6
Scripta Technica, inc
5
Asahi Shinbunsha
4
Denki Tsūshin Kenkyūjo (Japan)
4
Institute of Electrical and Electronics Engineers
4
Nihon Kinzoku Gakkai
4
Nihon Senʼi Kikai Gakkai
4
Nihon Tokei Gakkai (Institute)
4
Shigen Chishitsu Gakkai (Japan)
4
Shigen Sozai Gakkai
4
Tōhoku Kōgyō Daigaku
4
Butsuri Tansa Gakkai (Japan)
3
Haikibutsu Shigen Junkan Gakkai
3
Nihon Eiga Gijutsu Kyōkai
3
Nihon Kasei Gakkai
3
Nihon Kōzan Chishitsu Gakkai
3
Nihon Operēshonzu Risāchi Gakkai
3
Nihon Seramikkusu Kyōkai
3
Tōkai Daigaku Kōgakubu
3
Arusu (Firm)
2
Asahi Garasu Zaidan
2
Chūō Kishōdai (Japan)
2
Denki Shikenjo (Japan)
2
Denki Tsūshin Gakkai
2
Denki Tsūshin Kyōkai (Japan)
2
Denki Tsūshin Kenkyūjo (Japan)
2
Fukkoku "Kankyō Hakai" Henshū Iinkai
2
Gilbert, Shirley, and Marilyn Luber Collection (University of Pennsylvania)
2
Japan Kagaku Gijutsuchō
2
Jiban Kōgakkai
2
Kagaku Gijutsu Kenkyūjo (Japan)
2
Kagaku Kikai Kyōkai (Japan)
2
Kagaku Kōgaku Kyōkai (Japan)
2
Kagaku Kōgaku Kyōkai (Japan)
2
Kamigata Shokudōrakusha
2
Keikinzoku Gakkai (Japan)
2
Keisoku Jidō Seigyo Gakkai (Japan)
2
Kensetsushō Kenchiku Kenkyūjo (Japan)
2
Kikai Gakkai (Japan)
2
Kikai Shikenjo (Japan)
2
Kōgai Mondai Kenkyūkai (Japan)
2
Kyūshū Daigaku Kōgakubu
2
Kyūshū Kōgyō Daigaku
2
more ...