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

Yuichi Takeuchi

DEDenso: 57 patents #26 of 11,792Top 1%
TOToyota: 27 patents #683 of 26,838Top 3%
SISumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
OLOlympus: 2 patents #1,626 of 3,097Top 55%
FIFujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
UTUniversity Of Newcastle Upon Tyne: 1 patents #24 of 133Top 20%
SESeiko Epson: 1 patents #5,551 of 7,774Top 75%
DIDic: 1 patents #467 of 844Top 60%
KMKonica Minolta: 1 patents #1,862 of 2,718Top 70%
ACAisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
TTThe University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
Overall (All Time): #28,135 of 4,157,543Top 1%
71 Patents All Time

Issued Patents All Time

Showing 51–71 of 71 patents

Patent #TitleCo-InventorsDate
9082815 Semiconductor device having carrier extraction in electric field alleviating layer Masahiro Sugimoto 2015-07-14
8901573 Silicon carbide semiconductor device and method of manufacturing the same Naohiro Suzuki 2014-12-02
8748975 Switching element and manufacturing method thereof Hirokazu Fujiwara, Yukihiko Watanabe, Narumasa Soejima, Toshimasa Yamamoto 2014-06-10
8252135 Decorative molded article and method for producing the same Yoshitomo Nagata, Kazuhiko Moriya, Yoko Toda, Nobuo Tan 2012-08-28
8097917 Silicon carbide semiconductor device Malhan Rajesh Kumar 2012-01-17
7821013 Silicon carbide semiconductor device Rajesh Kumar, Mitsuhiro Kataoka, Suhail Rashid Jeremy, Andrei Mihaila, Florin Udrea 2010-10-26
7582932 Silicon carbide semiconductor device and method for manufacturing the same Malhan Rajesh Kumar 2009-09-01
7541300 Silicon carbide semiconductor device and method for manufacturing the same Malhan Rajesh Kumar 2009-06-02
7491285 Method for molding bead portion of green tire and bead portion molding device Naoki Sugiyama 2009-02-17
7399676 Silicon carbide semiconductor device and method for manufacturing the same Malhan Rajesh Kumar 2008-07-15
7164154 Gate wiring layout for silicon-carbide-based junction field effect transistor Rajesh Kumar, Mitsuhiro Kataoka, Suhail Rashid Jeremy, Andrei Mihaila, Florin Udrea 2007-01-16
7141498 Method of forming an ohmic contact in wide band semiconductor Rajesh Kumar Malhan, Irina Nikitina, Konstantin V. Vassilevski, Nicholas Wright, Alton Horsfall 2006-11-28
D520020 Portable multimedia player Haruki Senda, Shinji Hattori, Kenji Yanagisawa 2006-05-02
6363988 Manufacturing apparatus for single-wire bead Takuya Yasufuku 2002-04-02
6297100 Method of manufacturing silicon carbide semiconductor device using active and inactive ion species Rajesh Kumar, Masami Naito, Hiroki Nakamura 2001-10-02
6262439 Silicon carbide semiconductor device Tsuyoshi Yamamoto 2001-07-17
6133587 Silicon carbide semiconductor device and process for manufacturing same Takeshi Miyajima, Norihito Tokura, Hiroo Fuma, Toshio Murata, Takamasa Suzuki +1 more 2000-10-17
6057558 Silicon carbide semiconductor device and manufacturing method thereof Tsuyoshi Yamamoto, Rajesh Kumar, Kunihiko Hara, Kazukuni Hara, Masami Naito 2000-05-02
6054752 Semiconductor device Kazukuni Hara, Tsuyoshi Yamamoto, Rajesh Kumar, Mitsuhiro Kataoka 2000-04-25
5798833 Rotation speed measuring machine for flying globe Masahide Onuki, Satoru Kinuhata, Yoshiaki Miyamoto, Tetsuo Yamaguchi 1998-08-25
5744826 Silicon carbide semiconductor device and process for its production Takeshi Miyajima, Norihito Tokura, Hiroo Fuma, Toshio Murata 1998-04-28