Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kammi, JP ranks #2,121 worldwide for total patents filed in 2021, with 62 patents from 26 inventors. Leading employers of inventors based in Kammi, JP include Fujifilm, Nec, Asahi Kasei Kogyo Co..

Showing 1–26 of 26 inventors

Rank Inventor Primary Company Patents
1 Ryosuke Ogura Fujifilm 9
2 Kimito Katsuyama Fujifilm 8
3 Shinya Hakuta Fujifilm 7
#4 Shogo Yamazoe Fujifilm 6
#4 Shinsuke Noguchi Fujifilm 6
#6 Naoharu Kiyoto Fujifilm 3
#6 Kimiatsu Nomura Fujifilm 3
#8 Shigeaki Ohtani Fujifilm 2
#9 Ryohei Sato Nec 1
#9 Yoshihiro SUGAWARA Fujifilm 1
#9 Tadashi Kawamoto Asahi Kasei Kogyo Co. 1
#9 Kota Ojima 1
#9 Kyoichi Ashida Ogk Kabuto Co. 1
#9 Noriyuki Masuda Advantest 1
#9 Hiroshi Nagate Fujitsu Limited 1
#9 Shinsaku Shimizu Daito Electric Machine Industry Company Limited 1
#9 Yoshitaka Shimizu NTT 1
#9 Koji Miyamori 1
#9 Kenji Miyamori 1
#9 Kozo Sato Fujitsu Limited 1
#9 Masahiko TAKAHATA Tachi-S Co. 1
#9 Shoji Nishida Canon 1
#9 Yoshihiro ABURAYA Fujifilm 1
#9 Yasuhiro Azuma Ican Company 1
#9 Takeichi Tatsuta Fujifilm 1
#9 Shinichi Nakahira Fujifilm 1