Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Waki, JP ranks #1,767 worldwide for total patents filed all time, with 1,876 patents from 327 inventors. Leading employers of inventors based in Waki, JP include Casio Computer Co., Mitsubishi Electric, Nippon Seiko Co..

Showing 1–50 of 327 inventors

Rank Inventor Primary Company Patents
1 Yutaka Aoki Casio Computer Co. 67
2 Seiichiro Mori Mitsubishi Electric 50
3 Osamu Kawai Nippon Seiko Co. 46
#4 Yasuhiko Fujii Toda Kogyo 40
#5 Akira Yanagase Mitsubishi Electric 39
#6 Junichi Imuta Mitsui Petrochemical Industries 34
#7 Akio Takeda Canon 33
#8 Kozi Nishida Mitsubishi Electric 31
#9 Motomu Oh-Kita Mitsubishi Electric 27
#10 Nobuhiro Mukai Mitsubishi Electric 24
#11 Teruhiko Sugimori Mitsubishi Electric 22
#12 Naoshi Murata Sakura Color Products 21
#12 Keiichi Sakashita Mitsubishi Electric 21
#12 Takafumi Nishio Mazda Motor 21
#15 Yoji Okano Toda Kogyo 20
#15 Eiichi Kurita Toda Kogyo 20
#15 Takanori Doi Toda Kogyo 20
#18 Tadashi Iwasaki Nec 19
#18 Yuji Matsubara Akebono Brake Industry Co. 19
#20 Hiroji Niimi Mitsui Petrochemical Industries 18
#20 Hikaru Momose Mitsubishi Electric 18
#22 Yoshifumi Kubota Japan Aviation Electronics Industry, Limited 17
#22 Kinya Mizui Mitsui Petrochemical Industries 17
#22 Hideaki Habara Mitsubishi Electric 17
#22 Hitoshi Ige Mitsubishi Electric 17
#26 Eiko Okamoto Mitsubishi Electric 16
#26 Kiyoshi Adachi Mitsubishi Electric 16
#26 Kazushi Takama Yamaha Motor 16
#26 Hironobu Ikeda Nec 16
#26 Fuminori Nakaya Toshiba Lighting & Technology 16
#31 Takeshi Yatsuka Toyo Boseki Kabushiki Kaisha 15
#31 Kiyoshi Takahashi Mitsui Chemicals 15
#31 Kenichi Miyaki Mitsubishi Electric 15
#34 Hiroshi Sonobe Hi-Lex 14
#34 Toshihiro Satou Hitachi Displays 14
#34 Akihiro Sakimae Mitsubishi Electric 14
#34 Seiichi Arakawa Sony 14
#34 Eiji Ozaki Mitsubishi Electric 14
#34 Wataru Ninomiya Mitsubishi Electric 14
#40 Yasuteru Tahara Mitsubishi Electric 13
#41 Suguru Tokita Mitsui Chemicals 12
#41 Kenichi Sakunaga Mitsubishi Electric 12
#41 Ryozo Numazawa Mitsubishi Electric 12
#44 Yoshihisa Ushida Mitsui Petrochemical Industries 11
#44 Toshinori Sumi Mitsubishi Electric 11
#44 Jun Okumura Mitsubishi Electric 11
#47 Toru Tomoshige Mitsui Petrochemical Industries 10
#47 Hiromu Terada Mitsubishi Electric 10
#47 Masahiro Kaneda Mitsubishi Electric 10
#47 Seiichi Kawato Mitsubishi Electric 10