Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kabushikikaisha Barudan — 36 Patents

Rank (All Time): #17,671 of 106,120Top 20%
25 inventors
36 Patents All Time

Top Inventors at Kabushikikaisha Barudan All Time

Showing 1–25 of 25 inventors

RankNamePatents
1 Osamu Hattori 8
2 Masahiko Ozeki 7
3 Masanori Shibata 6
#4 Hisato Sakakibara 4
#5 Katsuyuki Kato 3
#5 Yoshio Shibata 3
#7 Keisuke Kasugai 2
#7 Masashi Asai 2
#7 Yoshihiro Murata 2
#10 Tsugihiro Hurushita 1
#10 Akinori Kuroda 1
#10 Akira Nakatsu 1
#10 Eikichi Yanagiya 1
#10 Jiro Kimura 1
#10 Keiichi Aoki 1
#10 Kiyoyuki Ishihara 1
#10 Kou Shinoda 1
#10 Masaru Eriguchi 1
#10 Masaaki Satoh 1
#10 Masanobu Watanabe 1
#10 Shinichi Mizuno 1
#10 Susumu Iwata 1
#10 Tomoyuki Inaba 1
#10 Zinichi Yaguchi 1
#10 Kinya Aikyo 1