Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Mitsuhiro Wada — 70 Patents

UNUnicharm: 25 patents #41 of 624Top 7%
Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
SISumitomo Rubber Industries: 10 patents #199 of 1,637Top 15%
Hitachi: 7 patents #5,859 of 28,497Top 25%
MCMitsui Mining & Smelting Co.: 3 patents #195 of 838Top 25%
Panasonic: 3 patents #7,617 of 21,108Top 40%
SESeiko Epson: 3 patents #3,864 of 7,774Top 50%
KEKokusai Electric: 2 patents #237 of 583Top 45%
QDQuanta Display: 1 patents #36 of 120Top 30%
Sony: 1 patents #17,262 of 25,231Top 70%
TCTaoka Chemical Co.: 1 patents #26 of 69Top 40%
The Goodyear Tire & Rubber: 1 patents #1,860 of 3,057Top 65%
HTHitachi Communication Technologies: 1 patents #83 of 214Top 40%
Overall (All Time): #29,184 of 4,157,543Top 1%
70 Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
7384169 Lighting device with U-shaped fluorescent tube Tomohisa Tajiri 2008-06-10
7335194 Sanitary tampon 2008-02-26
7314594 Hydrogen storage alloy Daisuke Mukai, Kiyotaka Yasuda, Yasunori Tabira, Shinya Kagei, Hidetoshi Inoue 2008-01-01
7255450 Projection type display apparatus, rear projector and multi-vision system Yoshimasa Fushimi, Yoshihiro Masumoto 2007-08-14
7204613 Projection display device Yoshimasa Fushimi, Yoshihiro Masumoto 2007-04-17
7134757 Projection type display apparatus, rear projection, and multi-vision system Yoshimasa Fushimi, Yoshihiro Masumoto 2006-11-14
7055959 Projection display device and back projection display device using the display device Yoshihiro Masumoto, Yoshimasa Fushimi 2006-06-06
7023799 Leaky bucket type traffic shaper and bandwidth controller Masayuki Takase, Norihiko Moriwaki, Hiroaki Kasahara, Takahiko Kozaki 2006-04-04
7004604 Sequential color display device including light shading means Hideki Ohmae, Kazunori Tanabe, Shigeru Aruga, Hirokazu Sakaguchi, Hisatoshi Shimose 2006-02-28
6986762 Sanitary panty Ayami Suga 2006-01-17
6977941 Shared buffer type variable length packet switch Masami Takahashi, Akio Makimoto, Takahiko Kozaki, Takayuki Kanno, Yasuo Oginuma +4 more 2005-12-20
6966658 Projection type display apparatus rear projection and multi-vision system Yoshimasa Fushimi, Yoshihiro Masumoto 2005-11-22
6907001 Packet switch for switching variable length packets in the form of ATM cells Kaori Nakayama, Takayuki Kanno, Nobuyuki Yamamoto, Makoto Matsuoka, Yusho Futami +1 more 2005-06-14
6897613 Discharge lamp, light source and projecting display unit Suguru Nakao, Toshiaki Ogura, Takeharu Tsutsumi 2005-05-24
6863664 Absorbent pad suited for use with tampon Ayami Suga 2005-03-08
6802932 Absorbent article and method of manufacturing the same Jun Kudo 2004-10-12
6765124 Absorbent article having a deodorizing effect on a surface thereof Jun Kudo, Hideki Kondo 2004-07-20
6761457 Optical illumination device and projection display device Yoshihiro Masumoto, Yoshimasa Fushimi 2004-07-13
6755554 Color wheel assembly and color sequential display device using the same, color wheel unit and color sequential display device using the same, and color sequential display device Hideki Ohmae, Kazunori Tanabe, Shigeru Aruga, Hirokazu Sakaguchi, Hisatoshi Shimose 2004-06-29
6723430 Water-decomposable absorbent article Nobuhiro Kurata, Sachiyo Suzuki 2004-04-20
6719743 Sanitary tampon 2004-04-13
6642428 Water-decomposable absorbent article Nobuhiro Kurata, Megumi Tokumoto 2003-11-04
6626883 Sanitary panty Ayami Suga 2003-09-30
6613034 Highly durable sanitary panty Satoshi Nozaki, Ayami Suga 2003-09-02
6611527 Packet switching apparatus with a common buffer Norihiko Moriwaki, Takahiko Kozaki, Hiroaki Kasahara 2003-08-26