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

Ookuma Electronic Co. — 5 Patents

Rank (All Time): #95,988 of 105,732Top 95%
1 inventors
5 Patents All Time

Top Inventors at Ookuma Electronic Co. All Time

Showing 1–1 of 1 inventors

RankNamePatents
1 Keiji Okuma 5