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USPTO Patent Rankings Data through Sept 30, 2025
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Sumida — 20 Patents in 2021

Rank (2021): #1,842 of 31,507Top 6%
37 inventors
20 Patents 2021

Top Inventors at Sumida 2021

Showing 1–37 of 37 inventors

RankNamePatents
1 Hitoshi Moriya 5
2 Yoshiharu YOSHII 4
3 Hiroyuki Miyazaki 2
3 Mitsugu Kawarai 2
3 Norikazu MIZUOCHI 2
3 Shinichi Sakamoto 2
3 Teruaki Tanaka 2
#8 Akihiko Nakamura 1
#8 Douglas James Malcolm 1
#8 Fernando Chan Mock 1
#8 Hiroshi Kawasaki 1
#8 Hiromitsu Kuriki 1
#8 Hiroyuki Momoi 1
#8 Isao Douchi 1
#8 Juichi Oki 1
#8 Kan HAYASHI 1
#8 Keiji Oyagi 1
#8 Kei Tanaka 1
#8 Masakazu Fukuoka 1
#8 Masateru Hashimoto 1
#8 Masaki Saito 1
#8 Satoru Yamada 1
#8 Shin Yamamoto 1
#8 Takanari FUJIMAKI 1
#8 Takanobu Rokuka 1
#8 Takayuki Yamaguchi 1
#8 Tomohiro KAJIYAMA 1
#8 Tomoyuki Kanno 1
#8 Toshimasa Monma 1
#8 Toshio Uchibori 1
#8 Yasunori Morimoto 1
#8 Yasuo Shimanuki 1
#8 Yoshimasa Abe 1
#8 Yoshinori Inoue 1
#8 Yoshinori Miura 1
#8 Yoshiyuki Tahara 1
#8 Zhigang Cheng 1