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USPTO Patent Rankings Data through Dec 31, 2025
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Bunka Shutter Co. — 2 Patents in 2017

Rank (2017): #16,910 of 29,883Top 60%
4 inventors
2 Patents 2017

Top Inventors at Bunka Shutter Co. 2017

Showing 1–4 of 4 inventors

RankNamePatents
1 Kazunori Matsuo 1
1 Masanari Tetsuya 1
1 Shoji Takahashi 1
1 Tetsuya Imabayashi 1