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

Toru Sakaguchi

Nsk: 23 patents #37 of 1,559Top 3%
Canon: 8 patents #7,260 of 19,416Top 40%
ATAgency Of Industrial Science And Technology: 3 patents #163 of 1,778Top 10%
NCNsk Steering Systems Co.: 1 patents #19 of 58Top 35%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #92,250 of 4,157,543Top 3%
36 Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
7586277 Electric power steering device Hideyuki Kobayashi, Takeshi Hara, Sakae Nejo 2009-09-08
7382105 Motor driving device and electric power steering apparatus Shuji Endo, Masahide Saito, Kenji Mori, Lilit Kovudhikulrungsri 2008-06-03
7265509 Electric power steering apparatus Shuji Endo, Yuho Aoki, Kenji Mori, Sakae Nejo, Hideaki Okazaki +1 more 2007-09-04
7049773 Electric power steering apparatus Yasushi Miyazawa, Kazuhiro Kumaido, Masayuki Aoki 2006-05-23
6381528 Control unit for electric power steering apparatus Hideaki Kawada, Yusuke Itakura 2002-04-30
6373217 Control apparatus of electric power steering system Hideaki Kawada, Shuji Endo 2002-04-16
5993701 Third-order nonlinear optical material and method for production thereof Masanori Ando, Tetsuhiko Kobayashi, Seiichi Teshima, Yoshinobu Asako 1999-11-30
5961890 Third-order nonlinear optical material Koji Ohta, Akira Nakamura, Kazushi Mashima 1999-10-05
5800925 Nonlinear optical materials and process for producing the same Masanori Ando, Kohei Kadono, Masatake Haruta, Masaru Miya 1998-09-01
5688442 Nonlinear optical materials and process for producing the same Masanori Ando, Kohei Kadono, Masatake Haruta, Masaru Miya 1997-11-18
4737806 Apparatus for flash photographing Akira Takahashi, Akira Ueno 1988-04-12