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 51–100 of 312 inventors

RankNamePatents
#48 Koichi Sugino 7
#48 Michio Taniwaki 7
#48 Shinichi Okamoto 7
#48 Takahito Otora 7
#48 Toshiro Saeki 7
#56 Hidetsugu Ikeda 6
#56 Hitoshi Ikeno 6
#56 Hidetoshi Kodama 6
#56 Isato Watanabe 6
#56 Kazuaki Ikeda 6
#56 Katsuya Moritaka 6
#56 Koji Sato 6
#56 Mariko Minami 6
#56 Mitsuyuki Sugita 6
#56 Satoru Tada 6
#56 Shigeru Shimozono 6
#56 Shingo Takahashi 6
#56 Tadashi Yasuoka 6
#56 Toshiaki Hirai 6
#56 Tsuyoshi Oyanagi 6
#56 Yoshinori Chida 6
#56 Yoshiaki Ikeda 6
#73 Atsushi Takami 5
#73 Katsuhiko Matsushita 5
#73 Koichi Kimura 5
#73 Motoyuki Suzuki 5
#73 Nobuhiro Goto 5
#73 Shoichiro Kumazawa 5
#73 Tadashi Ishikawa 5
#73 Teruyo Hayakawa 5
#73 Toshihide Samejima 5
#73 Tomoaki Takahashi 5
#73 Youichi Seki 5
#73 Yuji Nakajima 5
#73 Akira Ito 5
#86 Atsushi Misawa 4
#86 Haruo Inoue 4
#86 Hiroshi Sato 4
#86 Hiroto Tsuyuki 4
#86 Hirofumi Yanagi 4
#86 Katsuhiro Hatano 4
#86 Kazuhiro Horie 4
#86 Kenichi Tsumuraya 4
#86 Kunihiko Tsukakoshi 4
#86 Noboru Motai 4
#86 Tadahiko Yamaoka 4
#86 Tomihiko Aoyama 4
#86 Toyohiko Fujita 4
#86 Tokiko Imai 4
#86 Toshiya Tamura 4