Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Shirako, JP ranks #10,189 worldwide for total patents filed all time, with 195 patents from 13 inventors. Leading employers of inventors based in Shirako, JP include Hitachi, Japan Display, Hitachi Displays.

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Yoshiaki Nakayoshi Hitachi 128
2 Yasushi Iwakabe Hitachi 24
3 Ryouji Oritsuki Hitachi 14
#4 Masahiro Ieda Japan Display 9
#5 Hisashi Ishino Hitachi Displays 7
#6 Masaharu Itakura Japan Display 3
#7 Shoichi Midorikawa Ise Kagaku Kogyo Kabushiki Kaisha 2
#7 Tomio Oosone Hitachi 2
#7 Kazumi Akiba Hitachi Displays 2
#10 Noboru Ooki Hitachi Displays 1
#10 Kazunari Nagata Seiko Epson 1
#10 Syouichi Noguchi Hitachi 1
#10 Shinichiro Ban 1