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USPTO Patent Rankings Data through Sept 30, 2025
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Stella Chemifa — 70 Patents

Rank (All Time): #9,732 of 106,127Top 10%
80 inventors
70 Patents All Time

Top Inventors at Stella Chemifa All Time

Showing 1–50 of 80 inventors

RankNamePatents
1 Tetsuo Nishida 25
2 Hirohisa Kikuyama 22
3 Kazutaka Hirano 19
#4 Masahide Waki 18
#5 Shinji Hashiguchi 12
#6 Masayuki Miyashita 10
#7 Megumi Tomisaki 8
#7 Tadahiro Ohmi 8
#7 Yasutaka Tashiro 8
#7 Akihiro Nabeshima 8
#11 Masashi Yamamoto 7
#11 Sojiro Kon 7
#11 Tatsuhiro Yabune 7
#14 Hiroaki Tokuda 6
#14 Kazuhiro Miyamoto 6
#14 Tomohiko Satonaga 6
#17 Hirofumi Yazaki 5
#17 Kenji Aoki 5
#17 Toshirou Fukudome 5
#17 Toshitaka Sakaguchi 5
#17 Yoshifumi Katsura 5
#17 Yoshinori Sato 5
#23 Hiroto Izumi 4
#23 Kazuhiko Shogami 4
#23 Terunori Yamaguchi 4
#23 Tsuguo Fukuda 4
#23 Yoshinobu Abe 4
#23 Akinori Oka 4
#29 Hideki Nakashima 3
#29 Kazuyuki Tohji 3
#29 Kenji Sato 3
#29 Rui Hasebe 3
#29 Takashi Higono 3
#29 Takanobu Kujime 3
#35 Hirofumi Suzuki 2
#35 Hitoshi Tsurumaru 2
#35 Keiichi Nii 2
#35 Masayoshi Ishida 2
#35 Masatsugu Kawawaki 2
#35 Mitsuo Ueno 2
#35 Naoki Yahata 2
#35 Osamu Nakamura 2
#35 Takashi Fujii 2
#35 Takahisa Nitta 2
#35 Yasuyuki Shirai 2
#35 Yuko Murakami 2
#47 Daisuke Sakai 1
#47 Fumiaki Aono 1
#47 Hikaru Koike 1
#47 Hironori Matsushita 1