Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Naka, JP ranks #2,916 worldwide for total patents filed in 2016, with 39 patents from 27 inventors. Leading employers of inventors based in Naka, JP include Mitsubishi Materials, Hitachi, Semiconductor Energy Laboratory.

Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Gakuji Uozumi Mitsubishi Materials 3
1 Kenzo Nakamura Mitsubishi Materials 3
1 Jun Fujii Mitsubishi Materials 3
#4 Sho TATSUOKA Mitsubishi Materials 2
#4 Naoyuki Iwasaki Mitsubishi Materials 2
#4 Hiroshi Kitaguchi Hitachi 2
#4 Misako Hirosue Semiconductor Energy Laboratory 2
#4 Mototaka Ishikawa Mitsubishi Materials 2
#4 Akira Osada Mitsubishi Materials 2
#10 Akira Yoshinari Hitachi 1
#10 Masakuni Takahashi Mitsubishi Materials 1
#10 Masashi Kamijyo Fujitsu Limited 1
#10 Hitoshi Inaba Mitsubishi Materials 1
#10 Fumitake Kikuchi Mitsubishi Materials 1
#10 Yosuke Miyashita Mitsubishi Materials 1
#10 Satoko Higano Mitsubishi Materials 1
#10 Norio Owada Hitachi High-Technologies 1
#10 Fuyumi Mawatari Mitsubishi Materials 1
#10 Ai Takenoshita Mitsubishi Materials 1
#10 Kazunori Igarashi Mitsubishi Materials 1
#10 Kazuta Takeshima Mitsubishi Materials 1
#10 Ayumu Hatanaka Hitachi Automotive Systems 1
#10 Masahiro Yano Mitsubishi Materials 1
#10 Yasuo Uemura Hitachi 1
#10 Noriaki Nagatomo Mitsubishi Materials 1
#10 Shuichi Kokubun Hitachi Automotive Systems 1
#10 Takehiro Yonezawa Mitsubishi Materials 1