Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Akira Aoki — 64 Patents

Rohm Co.: 16 patents #143 of 2,292Top 7%
MCMax Co.: 9 patents #48 of 321Top 15%
TCTachi-S Co.: 6 patents #41 of 398Top 15%
HCHitachi High-Tech Instuments Co.: 4 patents #7 of 77Top 10%
TCTachikawa Spring Co.: 3 patents #9 of 77Top 15%
UNUnknown: 3 patents #7,366 of 83,584Top 9%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Kioxia: 2 patents #693 of 1,813Top 40%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Toyota: 1 patents #15,335 of 26,838Top 60%
HDHitachi Denshi: 1 patents #119 of 275Top 45%
ICIdemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
KOKonica: 1 patents #1,290 of 1,958Top 70%
MCMitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
OGOsaka Prefectural Government: 1 patents #18 of 63Top 30%
ACAsahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
Overall (All Time): #34,386 of 4,157,543Top 1%
64 Patents All Time

Issued Patents All Time

Showing 1–25 of 64 patents

Patent #TitleCo-InventorsDate
12401284 Light-emitting element driving control device and light-emitting element driving circuit device Ryo Takagi 2025-08-26
12381134 Semiconductor device with arrangement for terminals connected to multiple switches Shinsuke Takagimoto, Masaaki Nakayama 2025-08-05
12356525 Semiconductor integrated circuit for driving light emitting element, light emitting element driving device, light emitting device, and vehicle Shinsuke Takagimoto, Junichi Hagino 2025-07-08
12277348 Memory system and information processing system Takeshi Nakano, Akihiko ISHIHARA, Shingo Tanimoto, Yasuaki Nakazato, Shinji Maeda +11 more 2025-04-15
12096530 Power control device Daisuke Kanbara, Ryo Takagi 2024-09-17
12047004 Light-emitting element driving control device and light-emitting element driving circuit device Ryo Takagi 2024-07-23
11981008 Staple Tomoaki Kikai, Tomokazu Nagata 2024-05-14
11924941 Light emission control system, light emission system, light emission control device, and light emission device Shinsuke Takagimoto 2024-03-05
11871490 Lighting control device, lighting device, and vehicle Ryo Takagi 2024-01-09
11853599 Memory system and information processing system Takeshi Nakano, Akihiko ISHIHARA, Shingo Tanimoto, Yasuaki Nakazato, Shinji Maeda +11 more 2023-12-26
11843244 Current detection circuit 2023-12-12
11764683 Light-emitting element driving control device Ryo Takagi 2023-09-19
11502608 Light-emitting element driving control device and light-emitting element driving circuit device Ryo Takagi 2022-11-15
11265981 Light emitting element driving device Ryo Takagi 2022-03-01
11172556 Light emitting element drive device Ryo Takagi, Masaaki Nakayama 2021-11-09
10329161 Halogen-containing tin oxide particles and production method thereof Yoshihiro Yoneda, Kenji Suzuoka 2019-06-25
9975230 Sheet processing apparatus Takuya Kubota 2018-05-22
9382934 Staple strip and staple cartridge 2016-07-05
9351369 Leakage current detection circuit, semiconductor apparatus, LED illumination apparatus, and vehicle Kouji Miyamoto, Masaaki Nakayama, Koji Okamoto, Masaharu Ando, Yosuke Tsuchiya 2016-05-24
9261125 Staple strip and staple cartridge 2016-02-16
9148915 Automobile LED driving device Koji Miyamoto 2015-09-29
9114518 Stapler Takuya Kubota 2015-08-25
8754592 Automobile LED driving device Koji Miyamoto 2014-06-17
8542552 DLL circuit, frequency-multiplication circuit, and semiconductor memory device 2013-09-24
8306876 Method of selling a product over the internet Hiroshi Shijyo, Mitsuko Shijyo 2012-11-06