Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maibara, JP ranks #11,495 worldwide for total patents filed all time, with 162 patents from 18 inventors. Leading employers of inventors based in Maibara, JP include Sanyo Electric Co., Sanshin Industries, Brother Kogyo.

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 Susumu Yamada Sanyo Electric Co. 57
2 Osamu Sakamoto Sanshin Industries 39
3 Yuichi Ikeno Brother Kogyo 23
#4 Taishi Kawasaki Mitsubishi Chemical 12
#5 Yasuhiro Kira Nippon Gakki Seizo 7
#6 Masanobu Nagasaki Honda Motor Co. 4
#6 Toshihiro Koda Mitsubishi Plastics 4
#6 Yuka Kato Hitachi 4
#9 Hiroshi Yuchi Toyota 2
#9 Ryosuke Funatsu Mitsubishi Chemical 2
#11 Takatsune Fujimura Toyota Central R&D Labs 1
#11 Hiroyuki Itahara Toyota Central R&D Labs 1
#11 Naoyuki Hase 1
#11 Akiyoshi Oku Toray Industries 1
#11 Katsuya Amako Mitsubishi Plastics 1
#11 Naoki Honbo Kao 1
#11 Sukeyuki Yamamoto Yanmar Holdings Co. 1
#11 Yoshiharu Hayashi Panasonic 1