Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TK

Tomohisa Kato

KAKaneka: 6 patents #195 of 1,525Top 15%
SKShowa Denko K.K.: 6 patents #217 of 1,736Top 15%
SISanyo Chemical Industries: 6 patents #31 of 607Top 6%
Denso: 4 patents #3,129 of 11,792Top 30%
NONational Hospital Organization: 3 patents #1 of 45Top 3%
TOToto: 3 patents #304 of 1,113Top 30%
Toyota: 2 patents #10,861 of 26,838Top 45%
SCSakae Riken Kogyo Co.: 2 patents #2 of 13Top 20%
SUSubaru: 2 patents #413 of 1,436Top 30%
FCFuji Electric Co.: 2 patents #952 of 2,643Top 40%
TKToyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
KUKyoto University: 1 patents #568 of 1,688Top 35%
TCTaiheiyo Cement: 1 patents #83 of 203Top 45%
JTJtekt: 1 patents #1,102 of 1,969Top 60%
NCNichiman Co.: 1 patents #35 of 81Top 45%
MIMipox: 1 patents #2 of 13Top 20%
Tsukuba, JP: #53 of 2,818 inventorsTop 2%
Overall (All Time): #89,439 of 4,157,543Top 3%
37 Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
7887741 Method for producing plastic products having grained surface thereon Takashi Okano 2011-02-15
7649053 Toner binder for electrophotography and toner 2010-01-19
7396411 Apparatus for manufacturing single crystal Shinichi Nishizawa, Fusao Hirose 2008-07-08
7089836 Hale-machining method and apparatus Katsuhiko Takeuchi 2006-08-15
7049041 Resin for toner binder and toner composition Hiroshi Kishiki, Naoki Takase, Syuji Yamada, Yoko Sakurai 2006-05-23
7045009 Method and apparatus for manufacturing single crystal Shinichi Nishizawa, Fusao Hirose 2006-05-16
6992150 Toner binder and process for producing the same Hideo Nakanishi, Masakazu Iwata 2006-01-31
6799958 Injection molding apparatus Takashi Okano 2004-10-05
6458308 Method for molding a composite article by using mold 2002-10-01
6146122 Mold for molding composite article 2000-11-14
5356695 Structure of panel Takeo Mori, Eiichi Hamada 1994-10-18
5242777 Toner binder for electrophotography Shigeo Ochiai, Takashi Niinae 1993-09-07