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USPTO Patent Rankings Data through Dec 31, 2025
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Seiko Clock — 29 Patents

Rank (All Time): #21,257 of 106,120Top 25%
20 inventors
29 Patents All Time

Top Inventors at Seiko Clock All Time

Showing 1–20 of 20 inventors

RankNamePatents
1 Toyonori Muraji 8
2 Koji Baba 4
2 Motohiro Tako 4
#4 Hiroyuki Hashizume 3
#4 Hiroshi Takematsu 3
#4 Katsumi Shimamura 3
#7 Keiko Yoshida 2
#7 Masanao Yokoyama 2
#7 Miyuki Imamura 2
#7 Satoru Yamauchi 2
#7 Seiji Odaka 2
#7 Shigeru Kohata 2
#7 Takayuki Kanaizumi 2
#14 Fumiaki Takiguchi 1
#14 Hiroharu Kitaura 1
#14 Katsuhiro Hatano 1
#14 Masafumi Yamamoto 1
#14 Nobuhiro Tanaka 1
#14 Shinichi Miyamoto 1
#14 Yumi Kubota 1