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

Kansai Chemical Engineering Co. — 29 Patents

Rank (All Time): #21,179 of 105,732Top 25%
46 inventors
29 Patents All Time

Patents per Year

Patents granted per year, 1982 to 2022Bar chart with a peak of 4 patents in 2013.peak 41982: 1 patents19821989: 3 patents1990: 1 patents19901993: 1 patents1998: 2 patents19982002: 1 patents2003: 1 patents20032006: 2 patents2007: 1 patents20072010: 1 patents2011: 1 patents20112012: 1 patents2013: 4 patents20132014: 2 patents2017: 2 patents20172018: 1 patents2019: 2 patents20192020: 1 patents2022: 1 patents2022

Top Inventors at Kansai Chemical Engineering Co. All Time

Showing 1–46 of 46 inventors

RankNamePatents
1 Hideo Noda 25
2 Akihiko Kondo 7
3 Hideki Fukuda 5
3 Shinji Hama 5
#5 Hiroshi Tanahashi 4
#5 Masahiro Yotsumoto 4
#5 Toshiaki Tazawa 4
#5 Yuzuru Wakabayashi 4
#9 Hiroshi Yamaji 3
#9 Nobuyuki Kuratani 3
#11 Hajime Kato 2
#11 Haruo Nishino 2
#11 Hiroshi Ooshima 2
#11 Hiroshi Uyama 2
#11 Naotake Ohta 2
#11 Takaya Inoue 2
#11 Tadahiro MUKAIDA 2
#11 Takahiko Terada 2
#19 Hideaki Munenobu 1
#19 Ayumi Yoshida 1
#19 Goro Nishimura 1
#19 Hiroyuki Kawatsu 1
#19 Hiroshi Matsuo 1
#19 Hiroaki Ueda 1
#19 Kazumasa Aso 1
#19 Kazuhiko Hata 1
#19 Keigo Mikame 1
#19 Kenji Okano 1
#19 Kohsuke Nakano 1
#19 Kunio Kataoka 1
#19 Masamitsu Funaoka 1
#19 Masahiro Makuta 1
#19 Mitsuo Yamamoto 1
#19 Naoshi Ito 1
#19 Nobuyuki Kobayashi 1
#19 Ryosuke Yamada 1
#19 Shohei Kaneko 1
#19 Susumu Fukushima 1
#19 Takeshi Matsumoto 1
#19 Takashi Tsujimoto 1
#19 Tomoaki Takada 1
#19 Tsutomu Tanaka 1
#19 Yasuo Noda 1
#19 Yasuhiko Sugino 1
#19 Yinan Yin 1
#19 Kazuhiro Yamade 1