Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
NK

Nitto Kogyo — 55 Patents

Rank (All Time): #11,830 of 105,732Top 15%
53 inventors
55 Patents All Time

Patents per Year

Patents granted per year, 1984 to 2025Bar chart with a peak of 7 patents in 2001.peak 71984: 1 patents19841987: 1 patents1988: 1 patents1989: 1 patents19891990: 2 patents1992: 1 patents1993: 2 patents19931995: 1 patents1996: 1 patents1997: 1 patents19971998: 1 patents1999: 2 patents2000: 5 patents20002001: 7 patents2002: 4 patents2003: 3 patents20032004: 4 patents2005: 1 patents2006: 3 patents20062007: 4 patents2010: 2 patents2014: 1 patents20142015: 1 patents2016: 1 patents2021: 1 patents20212023: 1 patents2025: 2 patents2025

Top Inventors at Nitto Kogyo All Time

Showing 1–50 of 53 inventors

RankNamePatents
1 Naka Hirayama 10
1 Yuichiro Higashi 10
3 Youichi Ishikawa 7
#4 Yasuhide Hamada 5
#5 Atsushi Ikeda 4
#5 Atsushi Miyamoto 4
#5 Kesaaki Kitazawa 4
#5 Masahiro Kubo 4
#5 Shoji Kanou 4
#5 Shigeru Kubota 4
#11 Goki Inukai 3
#11 Makoto Matsuo 3
#11 Masao Takagi 3
#11 Shinji Saito 3
#11 Takeshi Kato 3
#16 Ikuo Nishiyama 2
#16 Masayuki Nakashima 2
#16 Naoki Toda 2
#16 Sanji Inagaki 2
#16 Takeo Taniguchi 2
#16 Toru Nishino 2
#22 Akihiko Sugizaki 1
#22 Atsuhisa Ando 1
#22 Eiichi Murakami 1
#22 Goro Mori 1
#22 Hiroyuki Ito 1
#22 Hiroyuki Nakano 1
#22 Hiroyuki Okada 1
#22 Hiroyuki Okamura 1
#22 Hiroshi Suzuki 1
#22 Jun Ogawa 1
#22 Junichi Tamaoki 1
#22 Katuo Akimoto 1
#22 Kazuhiko Serizawa 1
#22 Kenji Takahashi 1
#22 Masaya Hatano 1
#22 Makoto Sakamoto 1
#22 Masakatsu Sakuda 1
#22 Naofumi Kobayashi 1
#22 Naotaka Nishikawa 1
#22 Naomi Okamura 1
#22 Noriyoshi Ueda 1
#22 Satoshi Tanaka 1
#22 Shinji Ichikawa 1
#22 Shougo Inamori 1
#22 Shigetoshi Takasu 1
#22 Takehiro Chinen 1
#22 Takahide Iida 1
#22 Takashi Taruki 1
#22 Tetsuya Yamada 1

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