Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Naka, JP ranks #3,242 worldwide for total patents filed in 2021, with 37 patents from 27 inventors. Leading employers of inventors based in Naka, JP include Mitsubishi Materials, Aisin Aw Co., Hitachi Automotive Systems.

Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Masakuni Takahashi Mitsubishi Materials 3
1 Yoshie Tarutani Mitsubishi Materials 3
3 Takehiro Yonezawa Mitsubishi Materials 2
3 Mami Watanabe Mitsubishi Materials 2
3 Takuya Komatsu Aisin Aw Co. 2
3 Ayumu Hatanaka Hitachi Automotive Systems 2
3 Kazutaka Fujiwara Mitsubishi Materials 2
3 Masahiro Yano Mitsubishi Materials 2
#9 Kyoka Susuki Mitsubishi Materials 1
#9 Akihiro Murakami Mitsubishi Materials 1
#9 Shirou Oguchi Mitsubishi Materials 1
#9 Yoshiyuki Koyama Unknown 1
#9 Kazunori Igarashi Mitsubishi Materials 1
#9 Yuki AKAHOSHI Mitsubishi Materials 1
#9 Shingo Hirano Mitsubishi Materials 1
#9 Akira Osada Mitsubishi Materials 1
#9 Tsuyoshi Ogami Mitsubishi Materials 1
#9 Yusaku Maruno Hitachi 1
#9 Hiroto Akaike Mitsubishi Materials 1
#9 Motoi Ueda Nikon 1
#9 Hiromi Nakazawa Mitsubishi Materials 1
#9 Kazuyoshi Tari Mitsubishi Materials 1
#9 Jun Fujii Mitsubishi Materials 1
#9 Sho TATSUOKA Mitsubishi Materials 1
#9 Yosuke Miyashita Mitsubishi Materials 1
#9 Fumitake Kikuchi Mitsubishi Materials 1
#9 Ryoichi Sugimoto Mitsubishi Materials 1