SD

Showa Denko

Rank (All Time): #2271 of 106,127Top 3%
593 inventors
359
Patents All Time

Top Inventors at Showa Denko All Time

RankNamePatents
1 Kazumi Naito 24
2 Takashi Udagawa 19
3 Hiroshi Sakai 15
#4 Masahiro Ohmori 11
#5 Nobuyuki Nagato 10
#6 Jun Tanaka 9
#7 Ryosuke Kamei 9
#8 Atsushi Sakai 8
#9 Hidenori Nakamura 8
#10 Yuji Furuta 8
#11 Yukio Kobayashi 8
#12 Akira Sakawaki 8
#13 Eiji Ogata 7
#14 Haruo Yoshida 7
#15 Hiroyuki Hagihara 7
#16 Katsura Ito 7
#17 Kazuhiro Omori 7
#18 Masahiko Maeda 7
#19 Shinobu Ito 7
#20 Hiroshi Konuma 6
#21 Hideki Ohata 6
#22 Hiroshi Suzuki 6
#23 Kunihiro Miyazaki 6
#24 Ryuji Monden 6
#25 Toshio Morita 6
#26 Toyoaki Tanaka 6
#27 Akihiro Hashimoto 6
#28 Akira Nakamura 6
#29 Hiroshi Ohsawa 5
#30 Junji Yotsuyanagi 5
#31 Ken Ishitobi 5
#32 Masayuki Sanbayashi 5
#33 Masataka Takeuchi 5
#34 Soyao Moriguchi 5
#35 Tetsuo Kudo 5
#36 Toshiyuki Aizawa 5
#37 Toshio Taka 5
#38 Atsushi Shimojima 4
#39 Ayako Nishioka 4
#40 Hitoshi Inoue 4
#41 Hitoshi Nakamura 4
#42 Kazumi Naitoh 4
#43 Katuzi Ohira 4
#44 Katsuhiko Yamazaki 4
#45 Kenji Shimamura 4
#46 Kenji Shimizu 4
#47 Kihachi Shishido 4
#48 Kunio Imamura 4
#49 Kuniaki Shimbo 4
#50 Kunitoshi Wakabayashi 4
#51 Masato Kokubu 4
#52 Mamoru Matsubara 4
#53 Nobuo Uotani 4
#54 Otohiko Miyauchi 4
#55 Shinya Matsuhira 4
#56 Shun-ichi Nagamatsu 4
#57 Yoshihiro Saida 4
#58 Akihiko Kotera 4
#59 Eiichi Iizuka 3
#60 Hitoshi Atobe 3
#61 Hitoshi Iijima 3
#62 Hirotoshi Kamata 3
#63 Hiroshi Kanazawa 3
#64 Hiroshi Kubo 3
#65 Hiromoto Ohno 3
#66 Hiroshi Osawa 3
#67 Hideo Tamamura 3
#68 Katsumasa Hoshi 3
#69 Katsumi Murofushi 3
#70 Kenzo Hanawa 3
#71 Koro Shirane 3
#72 Kuniomi Marumo 3
#73 Kunio Nishimura 3
#74 Masato Fukushima 3
#75 Makoto Saito 3
#76 Mikio Suzuki 3
#77 Minoru Takaishi 3
#78 Naotochi Watanabe 3
#79 Norio Ohno 3
#80 Ryuji Sakaguchi 3
#81 Ryuji Takahashi 3
#82 Ryoichi Yoshimura 3
#83 Shigeru Murakami 3
#84 Shuichi Naijo 3
#85 Shin-ichi Ogawa 3
#86 Shuichi Sugita 3
#87 Shigeru Yanagimoto 3
#88 Sumio Soya 3
#89 Susumu Tago 3
#90 Takashi Ikezaki 3
#91 Takanori Kido 3
#92 Taketoshi Naito 3
#93 Takashi Ohkubo 3
#94 Takeshi Sano 3
#95 Takashi Shoji 3
#96 Takeshi Takahashi 3
#97 Tetsuya Osaka 3
#98 Tetsuhiko Yamaguchi 3
#99 Toraichi Kaneko 3
#100 Toshio Morimura 3