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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sapporo, JP ranks #755 worldwide for total patents filed in 2016, with 168 patents from 117 inventors. Leading employers of inventors based in Sapporo, JP include Central Glass Company, Limited, Nec, Seiko Epson.

Showing 1–50 of 117 inventors

Rank Inventor Primary Company Patents
1 Masanori Saito Central Glass Company, Limited 9
2 Jun Furukawa Nec 6
3 Kazuhiro Shibuya Seiko Epson 5
#4 Kunimasa Saitoh National University Corporation Hokkaido University 4
#5 Shinji Maruyama Fujitsu Optical Components Limited 3
#5 Shinsaku Abe Mitutoyo 3
#5 Yuichi Miura Ushio Denki Kabushiki Kaisha 3
#5 Kayo Matsumoto Ajinomoto Co. 3
#5 Shintaro Takeuchi Fujitsu Optical Components Limited 3
#5 Shuji Iwanaga Tokyo Electron Limited 3
#11 Hiroki Shirato Hitachi 2
#11 Shin-ichi Fukumoto Chugai Pharmaceutical 2
#11 Mina Kumagai National University Corporation Hokkaido University 2
#11 Akitaka Ito National University Corporation Hokkaido University 2
#11 Yasuchika Hasegawa National University Corporation Hokkaido University 2
#11 Satoshi Ogasawara Casio Computer Co. 2
#11 Eri Sakuda National University Corporation Hokkaido University 2
#11 Takuro Wada Sapproro Medical University 2
#11 Yusuke Oohashi Aisin Aw Co. 2
#11 Yoshifumi Kajiwara Fujitsu Limited 2
#11 Takahiko Matsushita Sumitomo Bakelite Co. 2
#11 Koji Fushimi National University Corporation Hokkaido University 2
#11 Yuichi Kitagawa Kokusan Denki Co. 2
#11 Noboru Kitamura Research Development Corporation Of Japan 2
#11 Toshihiko Ohara Maxell Izumi Co. 2
#11 Yusuke Yamamori Fujitsu Limited 2
#11 Hiroko Sehata Panasonic 2
#11 Hiroyuki Takita Fujitsu Limited 2
#11 Takeshi Fujisawa National University Corporation Hokkaido University 2
#30 Seiya Kasai Japan Science And Technology Agency 1
#30 Nobutoshi TERASAWA Tokyo Electron Limited 1
#30 Yuta Wakayama National University Corporation Hokkaido University 1
#30 Noriyoshi Arai Hitachi Chemical Dupont Microsystems 1
#30 Shinya Majima Iscar 1
#30 Morio Kasamatsu 1
#30 Takeo Hirokawa National University Corporation Hokkaido University 1
#30 Gousuke Ooki Sapproro Medical University 1
#30 Naoki Iyo Toyobo Co. 1
#30 Satoshi Kawaguchi Dainippon Sumitomo Pharma Co. 1
#30 Kei Murakoshi Japan Science And Technology Agency 1
#30 Yoshitada Kawashima Fujitsu Optical Components Limited 1
#30 Rikiya Onimaru Hitachi 1
#30 Hirohiko Sonoda Fujitsu Limited 1
#30 Tadayoshi Komatsuda Toyota 1
#30 Shin Mukai Kyoto University 1
#30 Yoshito Numata Shionogi & Co. 1
#30 Bunsho Ohtani National University Corporation Hokkaido University 1
#30 Yasuaki Takeuchi Fujitsu Limited 1
#30 Rena Morita Sapproro Medical University 1
#30 Masaharu Doi Fujitsu Limited 1