Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SA

Satoshi Aoki — 83 Patents

Hitachi: 23 patents #1,433 of 28,497Top 6%
Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Honda Motor Co.: 9 patents #2,356 of 21,052Top 15%
Kabushiki Kaisha Toshiba: 6 patents #4,930 of 21,451Top 25%
Nec: 3 patents #4,217 of 14,502Top 30%
RKRiso Kagaku: 3 patents #174 of 551Top 35%
HCHitachi Cable: 3 patents #224 of 1,086Top 25%
NLNoritake Co., Limited: 2 patents #71 of 334Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
SISanshin Industries: 2 patents #147 of 319Top 50%
NTNTT: 2 patents #2,095 of 4,871Top 45%
SASaint-Gobain Abrasives: 1 patents #234 of 367Top 65%
EKEmaus Kyoto: 1 patents #7 of 14Top 50%
HSHitachi Tohbu Semiconductor: 1 patents #126 of 223Top 60%
MCMitsumi Electric Co.: 1 patents #527 of 935Top 60%
NCN.E. Chemcat: 1 patents #64 of 136Top 50%
OCOtsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
SASaint-Gobain Abrasifs: 1 patents #184 of 340Top 55%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
ACAsahi Medical Co.: 1 patents #16 of 62Top 30%
Overall (All Time): #21,013 of 4,157,543Top 1%
83 Patents All Time
Satoshi Aoki has been granted 83 US patents while listed as an inventor at Hitachi. The first was granted in 1982 and the most recent in November 2025. Satoshi Aoki ranks #21,013 of 4,157,543 US inventors in our database (top 0.51%). Patent records list Satoshi Aoki in Tokyo, MH, JP.

Patents per Year

Patents granted per year, 1993 to 2025Bar chart with a peak of 8 patents in 1998.peak 81993: 1 patents19931994: 3 patents1996: 3 patents1997: 2 patents19971998: 8 patents1999: 6 patents2000: 1 patents20002001: 2 patents2003: 1 patents2004: 1 patents20042006: 1 patents2007: 2 patents2008: 1 patents20082009: 1 patents2010: 1 patents2011: 3 patents20112012: 1 patents2013: 3 patents2014: 3 patents20142015: 1 patents2016: 5 patents2017: 2 patents20172018: 5 patents2019: 2 patents2020: 1 patents20202021: 3 patents2022: 2 patents2023: 1 patents20232024: 3 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 83 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12459025 Method of manufacturing molded product Fumihiro Minami 2025-11-04
12374700 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane electrode assembly, and fuel cell stack Yoshiyuki Wada, Tomoteru Mizusaki, Kiyotaka Nagamori, Hiroki Shiina, Yasuhiro Seki 2025-07-29
12368752 Detection system, detection method, and computer program product Daiki ISHIHARA, Fukutomo NAKANISHI, Hiroyoshi Haruki 2025-07-22
12177264 Information processing device and computer program product Hiroyoshi Haruki, Fukutomo NAKANISHI, Daiki ISHIHARA 2024-12-24
11909747 Network packet analyzer and computer program product Yoshikazu Hanatani 2024-02-20
11859862 Dry space creation system Satonori Iura, Satoshi Yonezawa, Shigeto Akahori, Shuga IKEDA, Yui KINOSHITA +1 more 2024-01-02 $193,000
11735748 Power generation cell and resin-framed membrane electrode assembly Masaru Oda, Takaaki Shikano, Takuma Yamawaki 2023-08-22 $156,000
11486860 Inspection apparatus, method and program of controlling inspection apparatus Toshiaki Yamashita, Michitaro Shozawa 2022-11-01
11438468 Apparatus management system, remote management apparatus, and remote management method 2022-09-06 $532,000
11168445 Carbon fiber sheet and method for manufacturing carbon fiber sheet Tomoko Tamai, Yuichi Hori, Kazuhide Matsuo, Satoshi Yonezawa, Hidetoshi Utsumi +2 more 2021-11-09 $280,000
10971737 Fuel cell stack, fuel cell stack dummy cell, method of producing dummy cell Daisuke Inoue, Yukihito Tanaka 2021-04-06 $303,000
10964968 Fuel cell stack and method of producing dummy cell Daisuke Inoue, Kensuke Umezawa 2021-03-30 $445,000
10686946 Intermediary device, device monitoring system, and intermediation method 2020-06-16
10521320 Information processing device, information processing method and computer program product Hiroyoshi Haruki, Fukutomo NAKANISHI, Fangming Zhao, Tatsuyuki Matsushita, Toshinari Takahashi 2019-12-31
10432801 Device management system, device management method, and recording medium 2019-10-01
10095607 Information processing device, computer program product, and testing system with acquiring total execution history Fukutomo NAKANISHI, Hiroyoshi Haruki, Fangming Zhao, Tatsuyuki Matsushita, Toshinari Takahashi 2018-10-09
10069985 Managing system, intermediate apparatus, and managing method Ryosuke Mizunashi, Yuuichiroh Negishi 2018-09-04
10020123 Carbon fiber membrane Yusuke Kawaguchi, Toshiaki Shimizu 2018-07-10 $279,000
10014619 Angle connector Michael Haspel, Sadik Karatas 2018-07-03
9912427 Reception apparatus and system Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Shirataka +1 more 2018-03-06
9846043 Map creation apparatus, map creation method, and computer-readable recording medium Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Hashimoto +1 more 2017-12-19
9617438 Oily inkjet ink Manami Shimizu, Kyoko MOTOYAMA 2017-04-11
9456220 Image coding method, image coding device, image processing apparatus, and image transmitting/receiving system Kazuhiro Takazawa, Yasuhiro Kajiwara, Tamon Sadasue, Kenji Suzuki, Kazufumi Matsushita 2016-09-27
9427846 Abrasive article Hiromi Shiraishi 2016-08-30
9278934 Method for producing fine particles of aripiprazole anhydride crystals B Takuji Bando, Katsuhiko Yano, Makoto Fukana 2016-03-08