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

Keiichi Aoki — 24 Patents

Sony: 19 patents #2,195 of 25,231Top 9%
KMKonica Minolta: 2 patents #1,382 of 2,718Top 55%
JRJapanese National Railways: 1 patents #19 of 102Top 20%
KBKabushikikaisha Barudan: 1 patents #10 of 25Top 40%
KOKonica: 1 patents #1,290 of 1,958Top 70%
PCPegasus Sewing Machine Mfg. Co.: 1 patents #29 of 65Top 45%
HCHakusan Seisakusho Co.: 1 patents #8 of 14Top 60%
Hitachi: 1 patents #17,777 of 28,497Top 65%
JLJapan Nuclear Fuel Limited: 1 patents #5 of 18Top 30%
Tokyo, JP: #5,997 of 90,295 inventorsTop 7%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Keiichi Aoki has been granted 24 US patents while listed as an inventor at Sony. The first was granted in 1984 and the most recent in May 2025. Keiichi Aoki ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Keiichi Aoki in Tokyo, JP.

Patents per Year

Patents granted per year, 1984 to 2025Bar chart with a peak of 4 patents in 2024.peak 41984: 1 patents19841986: 1 patents1988: 1 patents19881992: 2 patents2000: 1 patents20002010: 1 patents2012: 1 patents20122013: 2 patents2014: 2 patents20142015: 1 patents2018: 1 patents20182019: 1 patents2021: 1 patents20212022: 1 patents2023: 1 patents20232024: 4 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12298823 Electronic apparatus and exterior panel thereof Yujin Morisawa, Yasuhiro Ootori, Shinya Tsuchida 2025-05-13
12271619 Information processing device and application execution method for managing an application execution environment Syunsuke Bamba, Makoto Sunayama, Masaki Takahashi 2025-04-08
12075593 Electronic apparatus Shinya Tsuchida, Yasuhiro Ootori, Yuta Tamaki, Mitsuharu Morishita 2024-08-27 $682,000
12019886 Storage management apparatus, storage management method, and program Masaki Takahashi 2024-06-25 $773,000
11954328 Storage management device, storage management method, and program Masaki Takahashi 2024-04-09 $582,000
11899930 Storage management apparatus, storage management method, and program Masaki Takahashi 2024-02-13 $515,000
11785738 Electronic apparatus Ichiro Sasaki 2023-10-10 $895,000
11259441 Electronic apparatus having foreign matter preventing element Satoshi Mito, Yasuhiro Ootori 2022-02-22 $868,000
11147185 Heat sink and electronic device Nobuyuki Sugawara 2021-10-12 $1,782,000
10321616 Electronic apparatus Ichiro Sasaki 2019-06-11 $480,000
10068618 Electronic apparatus and hard disk drive holder Kazutaka Eto, Shinya Tsuchida 2018-09-04 $973,000
8962068 Method of manufacturing organic electroluminescence element and manufacturing apparatus Kiyokazu Tanahashi, Yousuke Takashima 2015-02-24
8918598 Synchronization system and method for storages with different access speeds 2014-12-23 $285,000
8811018 Electronic apparatus Kensuke Ikeda, Yukito Inoue 2014-08-19 $159,000
8574661 Process for producing organic electroluminescent element and organic electroluminescent display device Yousuke Takashima, Kiyokazu Tanahashi 2013-11-05
8558121 Electronic device having an electromagnetic shield Yuta Tamaki, Hiroaki Tsurumi 2013-10-15 $149,000
8243445 Electronic apparatus Hideaki Hasegawa 2012-08-14 $83,000
7755896 Information processing device Yuuta Tamaki 2010-07-13 $302,000
6073567 Presser foot device for a sewing machine 2000-06-13
5174230 Upper feed device for sewing machine Kazuo Noguchi, Akira Teranishi, Takashi Kasuda, Yoji Seto, Shozo Hikiguchi 1992-12-29
5136966 Web coating apparatus Ichiro Miyagawa, Takeshi Kishido, Kazuo Kato 1992-08-11
4740351 Method of and arrangement for protecting nuclear fuel assembly Kenich Katsumizu, Takashi Sekine, Keiji Suzuki, Teruaki Mishima, Makoto Udaka +1 more 1988-04-26
4576324 Gas pressure welding machine Tadashi Takimoto, Hirotsugu Oishibashi, Katsuyoshi Ueyama, Muneyuki Ohara, Akio Kobayashi +2 more 1986-03-18
4431683 Process for producing transparent electroconductive film Ken Sasaki, Kiyoshige Kinugawa, Yoshio Hanada, Akira Ishii, Masaharu Koyama 1984-02-14 $79,000