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

Katsuya Ibaraki — 2 Patents

DCDelta Tooling Co.: 2 patents #34 of 93Top 40%
TLToyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Katsuya Ibaraki has been granted 2 US patents while listed as an inventor at Delta Tooling Co.. The first was granted in 2006 and the most recent in October 2007. Katsuya Ibaraki ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Katsuya Ibaraki in Ama, MH, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7275793 Seat Etsunori Fujita, Seiji Kawasaki, Yumi Ogura, Eiichi Yasuda, Shunichi Doi +1 more 2007-10-02
7134718 Vehicle seat Eiichi Yasuda, Shunichi Doi, Etsunori Fujita, Yumi Ogura, Seiji Kawasaki 2006-11-14