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

Yoshihiro Maeda

OLOlympus: 70 patents #6 of 3,097Top 1%
SKSilicon Quest Kabushiki-Kaisha: 67 patents #2 of 14Top 15%
Tdk: 12 patents #488 of 3,796Top 15%
OCOlympus Optical Co.: 12 patents #242 of 2,334Top 15%
NCNippon Shokubai Co.: 9 patents #114 of 1,108Top 15%
SSSumitomo Wiring Systems: 5 patents #684 of 2,615Top 30%
MCMitsubishi Chemical: 2 patents #163 of 716Top 25%
KCKonishiroku Photo Industry Co.: 2 patents #360 of 894Top 45%
MMMinebea Mitsumi: 2 patents #145 of 442Top 35%
TOToyota: 2 patents #10,861 of 26,838Top 45%
ACAisin Aw Co.: 2 patents #784 of 2,011Top 40%
NINomura Research Institute: 1 patents #31 of 109Top 30%
KCKojima Press Industry Co.: 1 patents #38 of 143Top 30%
TIToyota Industries: 1 patents #904 of 1,610Top 60%
FUFujifilm: 1 patents #3,076 of 4,519Top 70%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
DCDai-Ichi Kogyo Seiyaku Co.: 1 patents #153 of 288Top 55%
ATAutonetworks Technologies: 1 patents #723 of 1,079Top 70%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
NLNippon Mining Company Limited: 1 patents #97 of 262Top 40%
KCKumiai Chemical Industry Co.: 1 patents #187 of 284Top 70%
Overall (All Time): #9,376 of 4,157,543Top 1%
123 Patents All Time

Issued Patents All Time

Showing 101–123 of 123 patents

Patent #TitleCo-InventorsDate
6441978 Optical prism for projecting image Hiroyoshi Kobayashi, Kazuya Yamanaka 2002-08-27
6400341 Head-mounted picture display device Motohiro Atsumi 2002-06-04
6351252 Head-mounted picture display device Motohiro Atsumi 2002-02-26
6335711 Head-mounted picture display device Motohiro Atsumi, Kunio Yamamiya 2002-01-01
6330121 Optical prism, display element support and optical assembly using the same Hiroyoshi Kobayashi 2001-12-11
6310156 (Meth) acrylic acid polymer and manufacturing method thereof Tamao Ishida, Shigeru Yamaguchi 2001-10-30
6297336 Detergent builder, production process therefor, and poly(meth)acrylic acid (or salt) polymer and use thereof Shorbu Shioji, Shigeru Yamaguchi 2001-10-02
5962401 Detergent builder process of manufacturing same and detergent composition containing same Shigeru Yamaguchi 1999-10-05
5952432 Water-soluble polymer, manufacturing method thereof, and detergent composition containing the water-soluble polymer Shigeru Yamaguchi, Hideyuki Nishibayashi 1999-09-14
5949388 Head-mounted video display Motohiro Atsumi 1999-09-07
5928004 Electrical connection box for an automotive vehicle Tatsuya Sumida 1999-07-27
5918413 Coated seed and process for producing the same Takamitsu Otani, Hiroyuki Nakata, Toshikazu Akao 1999-07-06
5856418 Water-soluble monomer, water-soluble polymer and their production process and use Shigeru Yamaguchi 1999-01-05
5812224 Head-mount image display apparatus Motohiro Atsumi, Hiroyoshi Kobayashi, Kazuya Yamanaka 1998-09-22
5731944 Circuit protecting device for an automotive wiring harness Jun Yasukuni, Takeharu Itoh, Keiji Maki 1998-03-24
5727245 Camera Yasuo Asakura, Setsuya Kataoka, Keita Takahashi 1998-03-10
5678093 Camera Yasuo Asakura, Setsuya Kataoka, Keita Takahashi 1997-10-14
5671037 Head mounted image display having at least four supporting points Yuji Ogasawara, Hiroyoshi Kobayashi, Motohiro Atsumi 1997-09-23
5335035 Visual line direction detecting device for the camera 1994-08-02
4925596 Lubricating oil composition containing molybdenum and zinc compounds for internal combustion engine Kunihiko Hosonuma, Keiichi Tamura 1990-05-15
4912013 Photosensitive diazo composition and photosensitive diazo lithographic printing plate with metal complex dyes and color changing agent Norihito Suzuki, Kiyoshi Goto, Shigeki Shimizu 1990-03-27
4848627 Storage box for vehicles Manabu Morisaka, Hisayoshi Matsumoto 1989-07-18
4731316 Photosensitive composition Hiroshi Tomiyasu, Kiyoshi Goto, Norihito Suzuki 1988-03-15