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 51–70 of 70 patents

Patent #TitleCo-InventorsDate
6593510 Water-decomposable absorbent article Nobuhiro Kurata, Yuka Miyazaki 2003-07-15
6559600 Discharge lamp, light source and projecting display unit Suguru Nakao, Toshiaki Ogura, Takeharu Tsutsumi 2003-05-06
6539555 Sanitary panty Ayami Suga 2003-04-01
6533771 Sanitary tampon of small fiber agglomerations Ayami Suga 2003-03-18
6531642 Water-decomposable absorbent article for pantyliners, sanitary napkins, incontinence pads, disposable diapers and the like Nobuhiro Kurata, Megumi Tokumoto 2003-03-11
6507584 ATM switch Norihiko Moriwaki, Takahiko Kozaki, Takaaki Toyama, Yozo Oguri 2003-01-14
6502250 Sanitary panty Ayami Suga 2003-01-07
6464375 Lens element and illumination optical apparatus and projection display apparatus Takaaki Tanaka 2002-10-15
6443931 Absorbent article for disposal of body fluids discharged thereon Nobuhiro Kurata 2002-09-03
6432076 Applicator for tampons Ayami Suga 2002-08-13
6432075 Applicator for tampons Ayami Suga 2002-08-13
6432095 Water-decomposable absorbent article Nobuhiro Kurata, Megumi Tokumoto 2002-08-13
6343636 Pneumatic tire including non-directional tread pattern Masahiro Hanya, Naoki Yukawa 2002-02-05
5960845 Pneumatic tire 1999-10-05
5875008 Liquid crystal panel and projection display with use of liquid crystal panel Hiroshi Takahara, Hideki Ohmae, Yoshito Miyatake 1999-02-23
5838770 Portable telephone system Yutaka Fukushima, Tetsuo Takemura, Shinichi Iwaki, Mitsuyoshi Hashida, Masao Wanami +8 more 1998-11-17
5719706 Illuminating apparatus, projection lens, and display apparatus including the illumination apparatus and the projection lens Yoshihiro Masumoto 1998-02-17
5618610 Nonwoven fabric wiper and method for making it Katsushi Tomita, Masahiko Shikatani, Hiroo Hayashi 1997-04-08
5579370 Portable telephone system Yutaka Fukushima, Tetsuo Takemura, Shinichi Iwaki, Mitsuyoshi Hashida, Masao Wanami +8 more 1996-11-26
4475002 Process for preparing m-alkylhydroxybenzene Seizi Maki 1984-10-02