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USPTO Patent Rankings Data through Dec 31, 2025
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Toho Rayon Co. — 31 Patents

Rank (All Time): #20,216 of 106,120Top 20%
61 inventors
31 Patents All Time

Top Inventors at Toho Rayon Co. All Time

Showing 1–50 of 61 inventors

RankNamePatents
1 Hiroyasu Ogawa 7
1 Yasuhisa Nagata 7
3 Yoshihiro Endoh 4
#4 Hayashi Takahashi 3
#4 Katsumi Nakama 3
#4 Masanobu Wakita 3
#7 Hideaki Fukuizumi 2
#7 Hiroyuki Kosuda 2
#7 Kazuyuki Satoh 2
#7 Keizoh Suzuki 2
#7 Masato Andoh 2
#7 Naoki Oe 2
#7 Shuji Takahashi 2
#7 Teruaki Muramatsu 2
#7 Tetsuro Shigei 2
#7 Tohru Kaneko 2
#7 Tsutomu Muraoka 2
#7 Yasuo Suzuki 2
#7 Yoshihiro Endo 2
#7 Yoshio Iizuka 2
#21 Haruyoshi Narita 1
#21 Hideo Getto 1
#21 Hiroyuki Sato 1
#21 Hiroyuki Satoh 1
#21 Isamu Ide 1
#21 Kazuhiro Ichimaru 1
#21 Kazuhisa Saito 1
#21 Kazuhiro Yamamoto 1
#21 Kenji Niijima 1
#21 Kenji Shimazaki 1
#21 Kenji Sugimoto 1
#21 Kuniomi Suzuki 1
#21 Masahide Aga 1
#21 Masahiro Arai 1
#21 Masakazu Ataka 1
#21 Makoto Sugiyama 1
#21 Masahito Yamauchi 1
#21 Minoru Hirai 1
#21 Motohisa Miyauchi 1
#21 Osamu Yoshinari 1
#21 Satoshi Saito 1
#21 Shigehisa Ishihara 1
#21 Tatsuya Ishii 1
#21 Takeshi Oguri 1
#21 Takayuki Tanaka 1
#21 Takashi Toyama 1
#21 Tadasu Yagi 1
#21 Teruo Yamamiya 1
#21 Toshio Hisano 1
#21 Tomoaki Kanno 1