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USPTO Patent Rankings Data through Dec 31, 2025
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Keisuke Takeda — 30 Patents

AEAida Engineering: 16 patents #4 of 163Top 3%
UJUnisia Jecs: 6 patents #38 of 395Top 10%
ADAdeka: 4 patents #104 of 499Top 25%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
Hitachi: 3 patents #10,718 of 28,497Top 40%
Kubota: 1 patents #1,212 of 2,059Top 60%
Sakai, JP: #191 of 2,905 inventorsTop 7%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Keisuke Takeda has been granted 30 US patents while listed as an inventor at Aida Engineering. The first was granted in 1999 and the most recent in September 2025. Keisuke Takeda ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Keisuke Takeda in Sakai, JP.

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12419206 Working machine Fumiya YOSHIMURA, Junki Kuroishi, Yusuke Takahashi, Yuji Okuyama 2025-09-23
12371778 Cobalt compound, thin-film forming raw material, thin-film, and method of producing thin-film Tomoharu Yoshino, Atsushi Yamashita 2025-07-29
12275111 Workpiece conveying apparatus and mounting and dismounting support mechanism for a workpiece holding device thereof — 2025-04-15
12275748 Amidinate compound, dimer compound thereof, thin-film forming raw material, and method of producing thin film Tomoharu Yoshino, Yoshiki OOE, Ryota FUKUSHIMA, Chiaki MITSUI, Atsushi Yamashita 2025-04-15
12264168 Ruthenium compound, thin-film forming raw material, and method of producing thin film Masaki ENZU, Masako HATASE 2025-04-01
12104245 Compound, thin-film forming raw material that contains said compound, and method of manufacturing thin film Atsushi Sakurai, Masako HATASE, Masaki ENZU, Ryota FUKUSHIMA, Atsushi Yamashita 2024-10-01
11673180 Workpiece conveying system for a transfer press machine — 2023-06-13
11554492 Workpiece conveying system, conveyed workpiece number detector, and control method for the workpiece conveying system Satoshi Suzuki 2023-01-17
11491531 Workpiece conveyance device — 2022-11-08
11014216 Workpiece holding tool changing system for a workpiece conveying apparatus of a transfer press machine — 2021-05-25
10632581 Workpiece conveying apparatus for a pressing machine — 2020-04-28
10300520 Workpiece conveying apparatus for a pressing machine with two robots — 2019-05-28
10293444 Workpiece conveying apparatus for a pressing machine — 2019-05-21
10166683 Workpiece conveying apparatus for a pressing machine — 2019-01-01
10052678 Workpiece conveying apparatus for a pressing machine — 2018-08-21
9511410 Work transfer apparatus with crossbars and reduction gears — 2016-12-06
9339861 Breakage prevention mechanism of transfer apparatus and transfer apparatus using thereof Seiji Nakoshi, Takashi Koshimizu 2016-05-17
9233411 Work transfer apparatus with crossbar members — 2016-01-12
8915348 Breakage prevention mechanism of a transfer apparatus and transfer apparatus use of the breakage prevention mechanism Seiji Nakoshi, Takashi Koshimizu 2014-12-23
8770566 Removably supporting mechanism for workpiece holding device and workpiece holding device replacement and support apparatus — 2014-07-08
8628130 Workpiece transfer apparatus for press machine and crossbar unit — 2014-01-14
7827946 Engine valve lifter mechanism of internal combustion engine Shinichi Ishii, Akira Hidaka 2010-11-09 $98,000
7171931 Variable valve system with control shaft actuating mechanism Tamotsu Todo, Shinichi Kawada, Mikihiro Kajiura 2007-02-06 $210,000
7077086 Variable valve system with control shaft actuating mechanism Tamotsu Todo, Shinichi Kawada, Mikihiro Kajiura 2006-07-18 $87,000
6568361 Valve operating device for internal combustion engines Seinosuke Hara, Yoshihiko Yamada, Yoshiaki Miyazato 2003-05-27

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