Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Iwaki, JP ranks #2,047 worldwide for total patents filed in 2021, with 65 patents from 44 inventors. Leading employers of inventors based in Iwaki, JP include Hitachi Automotive Systems, Tungaloy, Mitsubishi Electric.

Showing 1–44 of 44 inventors

Rank Inventor Primary Company Patents
1 Masayuki Suganami Hitachi Automotive Systems 6
2 Yusuke Hirano Tungaloy 4
3 Osamu Matsumoto Mitsubishi Electric 3
3 Takaaki Nakamura Mitsubishi Electric 3
3 Yukio Sato Mitsubishi Electric 3
#6 Yuji Takenaka Merck 2
#6 Masaaki Ohira Alpine Electronics 2
#6 Ryuichi Saji Tungaloy 2
#6 Taku Sugai Alpine Electronics 2
#6 Daisuke Omori Bandai Namco Entertainment 2
#6 Fumiko Sasaki Merck 2
#6 Takashi Terauchi Renesas Technology 2
#13 Masaya Takeuchi Futaba Industrial Co. 1
#13 Takao Katagiri Tungaloy 1
#13 Yusuke Shiota Nippon Shokubai Co. 1
#13 Yukio Hasu Alpine Electronics 1
#13 Kiyoshi Midorikawa Nec Platforms 1
#13 Kosuke Mitani Koito Manufacturing Co. 1
#13 Satoru Sueda Sakai Chemical Industry Co. 1
#13 Toshio Haruki Alpine Electronics 1
#13 Shunichi Ishimura Alpine Electronics 1
#13 Ryo Tainaka The Furukawa Battery Co. 1
#13 Nozomi Matsuhashi The Furukawa Battery Co. 1
#13 Munehiro Kubota Kunimine Industries Co. 1
#13 Yuuji Sato Mitsubishi Materials 1
#13 Koichi Narita Alpine Electronics 1
#13 Yasuhiro Kawasaki Alpine Electronics 1
#13 Kazuma Takeda Alpine Electronics 1
#13 Shinya Suge The Furukawa Battery Co. 1
#13 Akihiro Nishimura The Furukawa Battery Co. 1
#13 Masaki Shimotsuya The Furukawa Battery Co. 1
#13 Atsushi Ito Kureha Kagaku Kogyo 1
#13 Koichiro Magara Sakai Chemical Industry Co. 1
#13 Hideki Hagihara The Furukawa Battery Co. 1
#13 Jyoji Yamada Alpine Electronics 1
#13 Takahiro Shinohara Nec 1
#13 Haruki Kumoi Tungaloy 1
#13 Hideto Katsunuma Alpine Electronics 1
#13 Hiroyuki Mochiji Alpine Electronics 1
#13 Koshin Takemoto The Furukawa Battery Co. 1
#13 Yusuke Ogino The Furukawa Battery Co. 1
#13 Kousuke Imai Toshiba Digital Solutions 1
#13 Hikaru SHIROMA Tungaloy 1
#13 Shinya Ori Tungaloy 1