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

Towa — 79 Patents

Rank (All Time): #8,748 of 105,917Top 9%
110 inventors
79 Patents All Time

Patents per Year

Patents granted per year, 1994 to 2025Bar chart with a peak of 6 patents in 2024.peak 61994: 1 patents19941995: 1 patents1996: 1 patents1997: 1 patents19971998: 5 patents1999: 2 patents2000: 1 patents20002001: 1 patents2002: 5 patents2003: 2 patents20032004: 3 patents2005: 4 patents2006: 1 patents20062007: 2 patents2008: 4 patents2009: 2 patents20092010: 5 patents2011: 3 patents2012: 3 patents20122013: 1 patents2014: 5 patents2015: 1 patents20152016: 3 patents2017: 4 patents2018: 2 patents20182019: 1 patents2020: 2 patents2023: 2 patents20232024: 6 patents2025: 3 patents2025

Top Inventors at Towa All Time

Showing 1–50 of 110 inventors

RankNamePatents
1 Michio Osada 15
2 Shinji Takase 11
3 Keiji Maeda 10
3 Yohei Onishi 10
#5 Takaki Kuno 8
#6 Nobuyoshi Koga 7
#6 Yoshihisa Kawamoto 7
#8 Kazuki Kawakubo 6
#8 Makoto Matsuo 6
#8 Masataka Takehara 6
#8 Naoki Kawashima 6
#8 Satoshi Kitaoka 6
#13 Yoshinori Noguchi 5
#14 Kazuhiko Bandoh 4
#15 Hiroshi Uragami 3
#15 Koichi Araki 3
#15 Kuri Inoue 3
#15 Muneo Miura 3
#15 Tsuyoshi Amakawa 3
#15 Yoshito OKUNISHI 3
#15 Yukiko Tsuchimochi 3
#22 Atsushi Morikami 2
#22 Fuyuhiko OGAWA 2
#22 Hirokazu Okada 2
#22 Hirotaka Okamoto 2
#22 Kazutaka Matsunobu 2
#22 Masahiko Kawano 2
#22 Makoto Tsukiyama 2
#22 Masato Yoshiya 2
#22 Naoharu Ohikata 2
#22 Osamu Nakagawa 2
#22 Seiichi Suda 2
#22 Syuhei Yoshida 2
#22 Takeshi Ashida 2
#22 Takashi Tamura 2
#36 Toshio Kumondai 1
#36 Akiyuki Harada 1
#36 Akinori Yamaguchi 1
#36 Alois Tieber 1
#36 Andrew Lee 1
#36 Clarence Tamargo 1
#36 Daisuke Higashi 1
#36 Fumio Takashima 1
#36 Haruka Ushio 1
#36 Hayato Yasui 1
#36 Hiroto Mochizuki 1
#36 Hitoshi Okazaki 1
#36 Hisayoshi Onishi 1
#36 Hideyuki Sakai 1
#36 Hisaya Takahashi 1