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USPTO Patent Rankings Data through Sept 30, 2025
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Nhk Spring Co. — 35 Patents in 2021

Rank (2021): #1,096 of 31,507Top 4%
79 inventors
35 Patents 2021

Top Inventors at Nhk Spring Co. 2021

Showing 1–50 of 79 inventors

RankNamePatents
1 Daisuke Tanaka 4
1 Kenichi Katsube 4
1 Shigeru Kuroda 4
#4 Akira Tange 3
#4 Tsuyoshi Matsuzawa 3
#4 Yurika Okudaira 3
#4 Yukie YAMADA 3
#8 Arata Tatsumi 2
#8 Hideki Okada 2
#8 Ken Takahashi 2
#8 Noritoshi Takamura 2
#8 Shinichiro Kuwatsuka 2
#8 Toshio Kazama 2
#14 Akihisa Inoue 1
#14 Akio Mashima 1
#14 Akihiko Nishikawa 1
#14 Akifumi Otani 1
#14 Atsutoshi Goto 1
#14 Donghyoun Kim 1
#14 Fumio Takahashi 1
#14 Fumio Yamamoto 1
#14 Go Takahara 1
#14 Hajime Arai 1
#14 Hitoshi Abe 1
#14 Hidemasa Ito 1
#14 Hiroyuki Kojima 1
#14 Hitoshi Komatsu 1
#14 Hiroshi Mizukami 1
#14 Hiroshi Nakayama 1
#14 Hirotaka NOGAMI 1
#14 Hiroyuki Orito 1
#14 Hiroyoshi UETAKE 1
#14 Ippei Iwai 1
#14 Jun Umeno 1
#14 Katsutoshi Imanari 1
#14 Kazuya Souma 1
#14 Kazuhiro Sugiyama 1
#14 Kenji Katsuno 1
#14 Ken Okura 1
#14 Kiyoshi Ota 1
#14 Kosuke Fujiwara 1
#14 Koichi Imoto 1
#14 Kotaro Toyotake 1
#14 Kunio Asobe 1
#14 Kunikazu Takiwaki 1
#14 Kunihiro Tsutsumi 1
#14 Masayuki Ainoya 1
#14 Masao Hanya 1
#14 Masaki Matsuzawa 1
#14 Mitsuhiro Sugiyama 1