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USPTO Patent Rankings Data through Dec 31, 2025
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Tomokazu Imura — 2 Patents

FDFdk: 2 patents #88 of 324Top 30%
Kosai, JP: #177 of 373 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Tomokazu Imura has been granted 2 US patents while listed as an inventor at Fdk. The first was granted in 1996 and the most recent in May 2006. Tomokazu Imura ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Tomokazu Imura in Kosai, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7050232 Optical circulator and optical switch Shusuke Wada, Shohei Abe, Hiroaki Ono, Tsugio Tokumasu 2006-05-23
5521741 Polarization plane switch and optical switching device using the same Hiromitsu Umezawa, Yoichi Suzuki, Tsugio Tokumasu, Hiroshi Rikukawa 1996-05-28