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USPTO Patent Rankings Data through Dec 31, 2025
Home › Cities › Saga, JP

Saga, JP All Time

1,829 patents  ·  352 inventors

Ranked #1,815 of 112,640 cities Top 2%

Saga, JP ranks #1,815 worldwide for total patents filed all time, with 1,829 patents from 352 inventors. Leading employers of inventors based in Saga, JP include Murata Manufacturing Co., Optim, Daiwa Seiko Co..

Showing 1–50 of 352 inventors

Rank Inventor Primary Company Patents
1 Takashi Iwamoto Murata Manufacturing Co. 146
2 Shunji Sugaya Optim 129
3 Nobuyuki Yamaguchi Daiwa Seiko Co. 72
#4 Takeshi Kuwahara NTT 51
#5 Katsuzo Kamoshita Sumitomo Chemical 49
#6 Keiichi Takanashi Sumco 31
#7 Masataka Hourai Sumco 29
#8 Kazumasa Fujimoto Saga Sanyo Industries Co. 27
#8 Hidetoshi Oishi Honda Motor Co. 27
#8 Kyogo Itoh Green Peptide Co. 27
#11 Kazushige Takaishi Sumco 26
#11 Hideo Shinonaga Sumitomo Chemical 26
#13 Haruo Uehara Canon 25
#13 Takanori Nakashima Chisso 25
#15 Hiroshi Noguchi Sumitomo Chemical 23
#16 Yoshiaki Ishimaru Panasonic 21
#17 Yasuyuki Ikegami Fuji Kiko Co. 18
#17 Toshiyuki Sugitani Panasonic 18
#17 Yasuyuki Kitahara Nidec Sankyo 18
#20 Takayuki Kihara Sumco 17
#20 Masaaki Mawatari Japan Synthetic Rubber 17
#22 Yoshio Okumura Seiko Epson 15
#22 Naoshi Adachi Sumitomo Mitsubishi Silicon 15
#22 Kiyoshi Furukawa Mitsubishi Cable Industries 15
#22 Yoshikazu Hirata Sanyo Electric Co. 15
#22 Hiroki Sato Bayer Healthcare 15
#27 Naoyuki Haraguchi Panasonic 14
#28 Kazutoyo Horio Murata Manufacturing Co. 13
#28 Shori Mokuo Tokyo Electron Limited 13
#28 Hiroto Fukushima Stanley Electric Co. 13
#28 Yuji Miyachi Panasonic 13
#32 Hidenori Kamigawa Sanyo Electric Co. 12
#33 Mitsuyoshi Nagano Nippon Tungsten Co. 11
#33 Yousuke Katsura Fujisawa Pharmaceutical Co. 11
#33 Yasutsugu Yamada Canon 11
#33 Tadashi Ooishi Sumitomo Chemical 11
#33 Shinsuke Sadamitsu Sumitomo Mitsubishi Silicon 11
#38 Keiichiro Mori Sumco 10
#38 Takahisa Shiramizu Panasonic 10
#38 Masaru Saita Hisamitsu Pharmaceutical Co. 10
#38 Fuminori Hirakawa Sumitomo Electric Industries 10
#38 Naoyuki Saida Oishi Koseido Co. 10
#38 Tsuyoshi Goto Kyoto University 10
#38 Tomomi Ueno Otsuka Pharmaceutical Co. 10
#38 Osamu Matsuzawa Seiko Instruments 10
#38 Yuki Antoku Tanaka Denshi Kogyo K. K. 10
#38 Shigeto Uchiyama Otsuka Pharmaceutical Co. 10
#48 Hidehiro Saho Panasonic 9
#48 Eisuke Nishiyama Nihon Dempa Kogyo Co. 9
#48 Hiroaki Kodama Nippon Chemical Industrial Co. 9

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