Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Clean Technology Co. — 5 Patents

Rank (All Time): #92,996 of 106,120Top 90%
5 inventors
5 Patents All Time

Top Inventors at Clean Technology Co. All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Toshio Awaji 4
2 Takashi Nakayama 2
3 Eiji Usui 1
3 Kazuo Nishizawa 1
3 Toshio Tanaka 1