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USPTO Patent Rankings Data through Dec 31, 2025
TK

Tetsuya Kano — 3 Patents

ITItoki: 3 patents #17 of 73Top 25%
Tokyo, JP: #36,070 of 90,295 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Tetsuya Kano has been granted 3 US patents while listed as an inventor at Itoki. The first was granted in 1993 and the most recent in July 1994. Tetsuya Kano ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tetsuya Kano in Tokyo, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D348571 Chair Hironaga Obata, Yuji Ishi, Toru Nagao 1994-07-12
D346909 Chair Hironaga Obata, Yuji Ishi, Toru Nagao 1994-05-17
5238294 Interlocking mechanism for supporting seat and seat back of chair Yuji Ishi, Toru Nagao, Hironaga Obata, Yasuo Uematsu 1993-08-24