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USPTO Patent Rankings Data through Sept 30, 2025
JP

Japan Polyethylene — 47 Patents

Rank (All Time): #13,998 of 106,127Top 15%
74 inventors
47 Patents All Time

Top Inventors at Japan Polyethylene All Time

Showing 1–50 of 74 inventors

RankNamePatents
1 Yoshiyuki Ishihama 10
2 Tsutomu Sakuragi 9
3 Minoru Kobayashi 8
#4 Masaru Aoki 7
#4 Masahiro Uematsu 7
#6 Junichi Kuroda 6
#6 Yoshikuni Okumura 6
#8 Hiroyuki Shimizu 5
#8 Kyoko Nozaki 5
#8 Shinya Hayashi 5
#8 Tetsurou Fukuda 5
#12 Kazunari Abe 4
#12 Kazuya Sakata 4
#12 Kenji Kawagishi 4
#12 Keiichi Yoshimoto 4
#12 Naomasa Sato 4
#12 Ryousuke Asakawa 4
#12 Shingo Ito 4
#12 Yuichiro Yasukawa 4
#12 Akio Tanna 4
#21 Hiroto HAYASHI 3
#21 Hideshi Uchino 3
#21 Kazushi Kodama 3
#21 Kenji Iiba 3
#21 Kei Takahashi 3
#21 Kouichi Ogawa 3
#21 Ryotaro Harada 3
#21 Satoshi Kanazawa 3
#21 Takaaki Hattori 3
#21 Takashi Monoi 3
#21 Tetsuya Morioka 3
#21 Toshiaki Egashira 3
#21 Tomohiko Satou 3
#21 Yohei Konishi 3
#21 Yoshika YAMADA 3
#36 Fumihiko Shimizu 2
#36 Haruo Ikeda 2
#36 Kazuhiro Yamamoto 2
#36 Koji ITAGAKI 2
#36 Kunihiko Fujimoto 2
#36 Osamu Miyachi 2
#36 Ritsuya Matsumoto 2
#36 Takahiro Amamiya 2
#36 Tamami Onaka 2
#36 Takayoshi Takahashi 2
#36 Yuuichi Kuzuba 2
#47 Fumio Asada 1
#47 Hisashi Ohtaki 1
#47 Hiromasa Tanahashi 1
#47 Hidenobu Torigoe 1