Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryota Sato — 32 Patents

Hitachi: 6 patents #6,585 of 28,497Top 25%
NTNTT: 3 patents #1,627 of 4,871Top 35%
FHFujifilm Healthcare: 2 patents #46 of 164Top 30%
MCMurata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
SISanyo Chemical Industries: 2 patents #123 of 607Top 25%
SPSpiber: 2 patents #11 of 51Top 25%
SISumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
SCSumitomo Seika Chemicals Co.: 1 patents #180 of 365Top 50%
WCWisol Co.: 1 patents #21 of 49Top 45%
Yamaha: 1 patents #1,232 of 2,001Top 65%
Canon: 1 patents #14,969 of 19,416Top 80%
RTRenesas Technology: 1 patents #1,991 of 3,337Top 60%
CLCentral Glass Company, Limited: 1 patents #505 of 968Top 55%
DCDena Co.: 1 patents #81 of 210Top 40%
FUFujifilm: 1 patents #3,076 of 4,519Top 70%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
ACAisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
Tokyo, JP: #4,056 of 90,295 inventorsTop 5%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
Ryota Sato has been granted 32 US patents while listed as an inventor at Hitachi. The first was granted in 2010 and the most recent in December 2025. Ryota Sato ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list Ryota Sato in Tokyo, JP.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 8 patents in 2025.peak 82010: 1 patents20102011: 1 patents2012: 3 patents20122015: 2 patents2016: 1 patents20162017: 3 patents2018: 1 patents20182020: 3 patents2022: 2 patents20222023: 2 patents2024: 5 patents20242025: 8 patents2025

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12493476 Monitoring device, monitoring method, and monitoring program Nobuhiro Chiba, Yoshiaki Nakajima, Takamasa Koyama 2025-12-09
12445022 Switching element module, inverter device, and vehicle drive device Yukio Mizuno, Yutaka Hotta, Hirosato Ihara 2025-10-14
12445021 Inverter-integrated rotating electrical machine that efficiently cools a smoothing capacitor Yutaka Hotta, Yukio Mizuno, Satoshi Murakami, Keiichi Fukuda, Hirosato Ihara 2025-10-14
12434512 Motorcycle tire set Masafumi Otani 2025-10-07
12386961 Falsification detection device, falsification detection method, and falsification detection program Yuki YAMANAKA, Manami ITO, Hiroyoshi TAKIGUCHI, Nobuhiro Chiba, Yoshiaki Nakajima 2025-08-12
12363821 Circuit module Motohiko KUSUNOKI, Tadashi Nomura 2025-07-15
12307395 Timetable planning system and timetable generating method Yuki MAEKAWA, Ryota Uematsu, Tsuyoshi Minakawa, Tomoe TOMIYAMA 2025-05-20
12258534 Viscosity index improver and lubricating oil composition Nobuhiro Naito, Satoshi Matsumoto, Masahiro Hashimoto, Kenyuu Yoshida, Hiroki Yamashita 2025-03-25
12153112 Magnetic resonance imaging apparatus, image processing apparatus, and signal separation method Toru Shirai, Takashi Nishihara, Masahiro Takizawa, Yoshitaka Bito 2024-11-26
12026258 Information processing device, verification method and verification program Takeshi Nagayoshi, Yuichi Komatsu 2024-07-02
11955949 Resonator, and filter and duplexer having the same Toshihiko Kawamoto, Sang Tai Yu, Je Cheol Lee 2024-04-09
11940520 Magnetic resonance imaging device, image processing device, and image processing method Suguru Yokosawa, Toru Shirai, Kazuho Kamba, Yoshitaka Sato, Masahiro Takizawa 2024-03-26
11892533 Magnetic resonance imaging device and control method thereof Toru Shirai, Suguru Yokosawa, Yo Taniguchi, Yoshitaka Sato, Kazuho Kamba 2024-02-06
11796936 Light scanning apparatus and image forming apparatus Seiji Kuwabara 2023-10-24
11753600 Viscosity index-improving composition and lubricating oil composition Hiroki Yamashita, Kazunori Yoshida 2023-09-12
11436381 Information processing device, information processing system and information processing method Takeshi Nagayoshi, Kenichiro Muto 2022-09-06
11279180 Tire for a motorcycle 2022-03-22
10745204 Conveyor and conveyance method Katsuya Fujishiro, Kazuo Fujii 2020-08-18
10688397 Information processing device, non-transitory computer readable medium, and information processing method Atsushi Nishide 2020-06-23
10555083 Connection state determination system for speakers, acoustic device, and connection state determination method for speakers Atsushi USUI, Kenji Kawano, Kotaro Nakabayashi, Kohei SEKIGUCHI, Masaya Kano 2020-02-04
10132899 Magnetic resonance imaging apparatus with voxel size control based on imaging parameters and magnetic susceptibility Toru Shirai, Yo Taniguchi, Yoshihisa Soutome, Yoshitaka Bito 2018-11-20
9766316 Magnetic resonance imaging device and quantitative susceptibility mapping method Toru Shirai, Yo Taniguchi, Yoshihisa Soutome, Yoshitaka Bito 2017-09-19
9709641 Magnetic resonance imaging apparatus, image processing apparatus, and susceptibility map calculation method Toru Shirai, Yo Taniguchi, Hisaaki Ochi, Yoshitaka Bito 2017-07-18
9617315 Artificial polypeptide fiber and method for producing the same Kazuhide Sekiyama, Kaori Sekiyama, Mizuki Ishikawa, Shinya Murata 2017-04-11
9459331 RF coil and magnetic resonance imaging device Yosuke Otake, Yoshihisa Soutome, Yoshitaka Bito, Koji Hirata 2016-10-04