Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Seikosha Co.

Rank (All Time): #1,220 of 106,127Top 2%
312 inventors
717 Patents All Time

Top Inventors at Seikosha Co. All Time

Showing 101–150 of 312 inventors

RankNamePatents
#86 Yasushi Ishikawa 4
#86 Akira Yamakoshi 4
#103 Hiroshi Aoki 3
#103 Hiroyuki Kizawa 3
#103 Isamu Ishii 3
#103 Isao Kondo 3
#103 Katsuhito Niwa 3
#103 Keiichiro Takahashi 3
#103 Kiyoshi Fujii 3
#103 Ko Aosaki 3
#103 Koichi Kaneko 3
#103 Mayumi Fujimori 3
#103 Maki Kubota 3
#103 Masahiro Nishida 3
#103 Mamoru Tanaka 3
#103 Makoto Yanaka 3
#103 Mitsuhiro Kakuta 3
#103 Miyoshi Tanikawa 3
#103 Shinji Anraku 3
#103 Susumu Ikuma 3
#103 Takeshi Matsumoto 3
#103 Tetsuya Fujita 3
#103 Toshio Matsumura 3
#103 Tomohiro Wada 3
#103 Yoshiyuki Iwamatsu 3
#103 Yoshimi Tamura 3
#103 Yukari Hoshino 3
#103 Yukio Morino 3
#103 Yuichi Yamakawa 3
#103 Aijiro Gohara 3
#103 Akihiko Matsuo 3
#132 Fumio Ohtsuka 2
#132 Fumio Tomono 2
#132 Hideo Aso 2
#132 Hiroyuki Ishida 2
#132 Hiroyuki Koizumi 2
#132 Hiroshi Noritake 2
#132 Isamu Hoshino 2
#132 Itaru Ashida 2
#132 Itsuko Hirose 2
#132 Kazuhisa Mito 2
#132 Katsumi Oishi 2
#132 Kenichi Kudo 2
#132 Kenji Ohshima 2
#132 Kenji Oshima 2
#132 Kiyoshi Okuda 2
#132 Kouji Hirose 2
#132 Koichi Miyagi 2
#132 Masatoshi Araki 2
#132 Masao Hanya 2