Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Katano, JP ranks #1,076 worldwide for total patents filed all time, with 3,157 patents from 429 inventors. Leading employers of inventors based in Katano, JP include Sumitomo Electric Industries, Panasonic, Sanyo Electric Co..

Showing 1–50 of 429 inventors

Rank Inventor Primary Company Patents
1 Shigeru Furumiya Sumitomo Electric Industries 118
2 Makoto Kitabatake Sumitomo Electric Industries 74
3 Satoshi Shida Sumitomo Electric Industries 67
#4 Kazuyuki Murata Sumitomo Electric Industries 59
#5 Mitsuo Satomi Sumitomo Electric Industries 58
#6 Shoichi Ishihara Sumitomo Electric Industries 50
#7 Noboru Katakabe Sumitomo Electric Industries 48
#7 Hiroshi Doi Panasonic 48
#9 Hiromu Matsuda Sumitomo Electric Industries 47
#10 Yoshinori Kakuno Sumitomo Electric Industries 45
#11 Maruo Kamino Sanyo Electric Co. 44
#12 Takahiro Wada Sumitomo Electric Industries 43
#13 Minoru Kubo Sumitomo Electric Industries 41
#14 Hiroyuki Hase Sumitomo Electric Industries 40
#15 Kiyoshi Nakata Hitachi 39
#16 Youichi Nakamura Sumitomo Electric Industries 36
#17 Hisahito Ogawa Sumitomo Electric Industries 34
#18 Yoshihiko Misawa Sumitomo Electric Industries 33
#19 Makoto Itagaki Sumitomo Chemical 32
#20 Masaru Higashionji Sumitomo Electric Industries 30
#20 Kenzo Hatada Sumitomo Electric Industries 30
#20 Takefumi Inoue Panasonic 30
#20 Yoshinobu Maeda Sumitomo Electric Industries 30
#20 Susumu Maruno Sumitomo Electric Industries 30
#25 Shigeru Araki Sumitomo Electric Industries 29
#26 Yoshihiro Mimura Sumitomo Electric Industries 28
#27 Yukio Koyanagi Neuro Solution 27
#28 Tatsuya Shimoji Sumitomo Electric Industries 26
#29 Kazuhiko Yukawa Minolta Co. 25
#29 Masanari Mohri Sumitomo Electric Industries 25
#31 Tsuneharu Nitta Sumitomo Electric Industries 24
#32 Shinichi Mizuguchi Sumitomo Electric Industries 22
#32 Tousaku Nishiyama Sumitomo Electric Industries 22
#34 Taizou Hamada Sumitomo Electric Industries 21
#34 Kunio Sekimoto Sumitomo Electric Industries 21
#36 Tetsushi Kasahara Panasonic 20
#36 Norimoto Nouchi Sumitomo Electric Industries 20
#36 Tsumoru Fukushima Sumitomo Electric Industries 20
#36 Toru Morikawa Sony 20
#40 Kikuko Kato Sanyo Electric Co. 19
#40 Kazuto Nishida Sumitomo Electric Industries 19
#40 Yoshihiro Ikemoto Sumitomo Electric Industries 19
#40 Yukio Homoto Daikin Industries 19
#40 Hironao Numoto Sumitomo Electric Industries 19
#40 Eiji Shiohama Panasonic 19
#40 Tadashi Kubota Hirose Electric Co. 19
#47 Takeshi Imanaka Sumitomo Electric Industries 18
#47 Kazumi Ishimoto Sumitomo Electric Industries 18
#47 Yasuharu Yamamura Sumitomo Electric Industries 18
#47 Shigeo Hori Kaken Tech Co. 18