Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Inzai, JP ranks #6,179 worldwide for total patents filed all time, with 400 patents from 75 inventors. Leading employers of inventors based in Inzai, JP include Seiko Epson, Kabushiki Kaisha Toshiba, Sony.

Showing 1–50 of 75 inventors

Rank Inventor Primary Company Patents
1 Takashi Miyazawa Seiko Epson 114
2 Mitsunaga Saito Kabushiki Kaisha Toshiba 37
3 Kazuyuki Takizawa Sony 30
#4 Takashi Endoh Toray Industries 25
#5 Tatsuhiko Katori Ss Pharmaceutical Co. 21
#6 Yuki Kawakami Bridgestone 18
#7 Shunji Natori Sanwa Kagaku Kenkyusho Co. 11
#8 Katsushi Sugiyama Ricoh Company 10
#9 Hiroyuki Tachihara Harada Industry Co. 8
#9 Motonari Chinuki The Bank Of Tokyo-Mitsubishi Ufj 8
#11 Noriaki Adachi Canon 6
#12 Kazuhiro Machida Sumitomo Electric Industries 5
#12 Kaoru Inaba Takenaka 5
#12 Daichi HAYAKAWA Kabushiki Kaisha Toshiba 5
#15 Kenji Mikuni Nok 4
#15 Yasuhide Furukawa Takenaka 4
#15 Nobuyasu Okuda Takenaka 4
#15 Yoshihito Marumo Tokyo Electron Limited 4
#15 Haruka Kiyotomo Takenaka 4
#15 Kazuhiro Mukai Takenaka 4
#21 Masarou Kojima Takemoto Yushi 3
#21 Hikari Shomura Seiko Epson 3
#21 Takeshi Takai Shinko Electric Industries Co. 3
#21 Noriyuki Iiyama Nansin Co. 3
#21 Masami Ebihara Niles Parts Co. 3
#26 Kana Naruse Toyo Gosei Co. 2
#26 Masayasu Fujiyama 2
#26 Makoto Iwabuchi Niles Parts Co. 2
#26 Keishirou Okamoto Takemoto Yushi 2
#26 Yamato Shimizu Takenaka 2
#26 Shiro Ise Japan Science And Technology Agency 2
#26 Koji Asama Fuji Oil Holdings 2
#26 Michiko Ito Advanced Softmaterials 2
#34 Harutoshi Miyazaki Sekisui Kagaku Kogyo 1
#34 Yohichi Tashiro Fuji Oil Holdings 1
#34 Toshio Higasihara Hitachi Maxell 1
#34 Koji Shindoh Casio Computer Co. 1
#34 Shigeo Yokoi Ngk Insulators 1
#34 Nobutoshi Sudoh Showa Denko K.K. 1
#34 Keisuke Sawaki Meiji Co. 1
#34 Shigetaka Hirosato Takenaka 1
#34 Ryouta Inoue Nuflare Technology 1
#34 Koudai Mae Takenaka 1
#34 Kuniaki Andou Takenaka 1
#34 Kazuo Ohtake Takenaka 1
#34 Rikuto Kunimoto Takenaka 1
#34 Masakazu Nogami Unknown 1
#34 Yuya Kita Nansin Co. 1
#34 Shingo Nishihiro Canon 1
#34 Hideaki Omori Amazon 1