Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Minoru Tani — 76 Patents

TOToto: 76 patents #1 of 1,113Top 1%
Kitakyushu, MS: #1 of 14 inventorsTop 8%
Overall (All Time): #25,016 of 4,157,543Top 1%
76 Patents All Time

Issued Patents All Time

Showing 26–50 of 76 patents

Patent #TitleCo-InventorsDate
D764643 Toilet Hirotaka Nakabayashi, Yuji Yoshioka 2016-08-23
D633602 Bathtub Osamu Miura, Hajime Kakihana, James M. Piatt 2011-03-01
D631138 Spout Rie Yokoyama, Hajime Kakihana, James M. Piatt 2011-01-18
D627446 Faucet handle Rie Yokoyama, Hajime Kakihana, James M. Piatt 2010-11-16
D627445 Faucet handle Rie Yokoyama, Hajime Kakihana, James M. Piatt 2010-11-16
D626194 Shower head Hajime Kakihana, Rie Yokoyama, James M. Piatt 2010-10-26
D624155 Shower panel Rie Yokoyama, Hajime Kakihana, James M. Piatt 2010-09-21
D624165 Water closet Rie Yokoyama, Hajime Kakihana, James M. Piatt 2010-09-21
D620564 Spout Rie Yokoyama, Hajime Kakihana, James M. Piatt 2010-07-27
D618762 In-wall shower nozzle Rie Yokoyama, Hajime Kakihana, James M. Piatt 2010-06-29
D618304 Shower panel Rie Yokoyama, Hajime Kakihana, James M. Piatt 2010-06-22
D610662 Water closet Rie Yokoyama 2010-02-23
D609792 Water closet Rie Yokoyama 2010-02-09
D609793 Water closet Rie Yokoyama 2010-02-09
D558313 Water closet Ken Igarashi 2007-12-25
D545415 Lavatory Ken Igarashi, Yasuo Kikuchi 2007-06-26
D545417 Lavatory Ken Igarashi 2007-06-26
D542386 Pedestal sink 2007-05-08
D520614 Water closet 2006-05-09
D508116 Water closet Yasushi Takahashi 2005-08-02
D500126 Pedestal sink Yasushi Takahashi 2004-12-21
D485337 Combination toilet seat and bidet set Ken Igarashi 2004-01-13
D478376 Water closet Seijiro Kawamura 2003-08-12
D477387 Water closet Osamu Miura 2003-07-15
D472965 Water closet Seijiro Kawamura 2003-04-08