{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Companies", "item": "https://www.patentleaderboard.com/companies"}, {"@type": "ListItem", "position": 3, "name": "Ehime Prefecture", "item": "https://www.patentleaderboard.com/company/ehime-prefecture"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
EP

Ehime Prefecture — 6 Patents

Rank (All Time): #78,442 of 105,732Top 75%
34 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 3 patents in 2025.peak 32012: 1 patents20122015: 1 patents20152017: 1 patents20172025: 3 patents2025

Top Inventors at Ehime Prefecture All Time

Showing 1–34 of 34 inventors

RankNamePatents
1 Haruhito Nakata 2
1 Hiroaki Mido 2
1 Hideaki Tadanobu 2
1 Hiromichi Yakushiji 2
1 Kazuko Hirayama 2
1 Kei Kinoshita 2
1 Masahiko Sudo 2
1 Mitsutoshi Okamoto 2
1 Praneetrattananon Suthasinee 2
1 Saki Miyoshi 2
1 Saki Yamamoto 2
1 Shinji Okamoto 2
1 Syunsuke Miyaoka 2
1 Takehiro Kikuchi 2
1 Takafumi Kiuchi 2
1 Taizo Ninomiya 2
1 Takehiro Okusada 2
1 Takae Sakimoto 2
1 Toya Hioki 2
1 Yasuhiko Katoh 2
1 Yasuyuki Masamoto 2
1 Yoji Hyodo 2
1 Yukinori Shigematsu 2
#24 Daijiro Sugawara 1
#24 Fuminori Kanke 1
#24 Hideto Ueno 1
#24 Junya Okawa 1
#24 Keiji Kita 1
#24 Kenji Nakamura 1
#24 Naohiro Fukuda 1
#24 Natusuki Maekawa 1
#24 Natsuki Maekawa 1
#24 Takanori Omori 1
#24 Toshihiro Iwai 1