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USPTO Patent Rankings Data through Dec 31, 2025
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Kohei OTSUKA — 27 Patents

OMOmron: 24 patents #43 of 3,089Top 2%
Toyota: 3 patents #8,470 of 26,838Top 35%
Kyoto, JP: #639 of 11,909 inventorsTop 6%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Kohei OTSUKA has been granted 27 US patents while listed as an inventor at Omron. The first was granted in 2018 and the most recent in May 2025. Kohei OTSUKA ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Kohei OTSUKA in Kyoto, JP.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12293891 Electromagnetic relay with driveshaft stopper Ryota Minowa, Hiroyuki Iwasaka, Shinichi Ogawa, Ayata HORIE 2025-05-06
12261004 Electromagnetic relay Ayata HORIE, Hiroyuki Iwasaka, Ryota Minowa, Shinichi Ogawa 2025-03-25
12183529 Electromagnetic relay Ryota Minowa, Naoki Kawaguchi 2024-12-31 $196,000
12183528 Electromagnetic relay Ryota Minowa, Hiroyuki Iwasaka, Hiroyuki Harimochi, Shinichi Ogawa, Naoki Kawaguchi 2024-12-31 $196,000
12080500 Electromagnetic relay with seal between cantact case and drive device Ryota Minowa, Hiroyuki Iwasaka, Hiroyuki Harimochi, Shinichi Ogawa, Naoki Kawaguchi 2024-09-03 $260,000
12040149 Relay Yasuo Hayashida, Ryota Minowa, Shingo Mori, Naoki Kawaguchi, Hiroyuki Iwasaka 2024-07-16 $228,000
11955302 Electromagnetic relay having embedded contact flush to terminal surface Ryota Minowa, Hiroyuki Iwasaka, Yasuo Hayashida, Shingo Mori, Naoki Kawaguchi 2024-04-09 $179,000
11948764 Electromagnetic relay Naoki Kawaguchi, Ryota Minowa, Hiroyuki Harimochi, Shinichi Ogawa, Hiroyuki Iwasaka 2024-04-02 $210,000
11942297 Relay Naoki Kawaguchi, Ryota Minowa, Yasuo Hayashida, Shingo Mori, Hiroyuki Iwasaka 2024-03-26 $179,000
11935716 Relay Shingo Mori, Ryota Minowa, Yasuo Hayashida, Naoki Kawaguchi, Hiroyuki Iwasaka 2024-03-19 $163,000
11784019 Electromagnetic relay with magnetic arc extension Naoki Kawaguchi, Ryota Minowa 2023-10-10 $210,000
11784017 Electromagnetic relay Naoki Kawaguchi, Ryota Minowa, Yasuo Hayashida, Shingo Mori, Hiroyuki Iwasaka 2023-10-10 $210,000
11756759 Electromagnetic relay with modification of drive shaft or movable iron core Shingo Mori, Ryota Minowa, Yasuo Hayashida, Naoki Kawaguchi, Hiroyuki Iwasaka 2023-09-12 $171,000
11699864 Relay Hiroyuki Harimochi, Ryota Minowa, Naoki Kawaguchi, Shinichi Ogawa, Hiroyuki Iwasaka +1 more 2023-07-11 $203,000
11636992 Electromagnetic relay including fixed terminal having chamfered shape or movable contact piece having chamfered shape Ryota Minowa, Hiroyuki Iwasaka, Yasuo Hayashida, Shingo Mori, Naoki Kawaguchi 2023-04-25 $148,000
11621136 Relay Shingo Mori, Ryota Minowa, Yasuo Hayashida, Naoki Kawaguchi, Hiroyuki Iwasaka 2023-04-04 $172,000
11562870 Electromagnetic relay Yasuo Hayashida, Ryota Minowa, Shingo Mori, Naoki Kawaguchi, Hiroyuki Iwasaka 2023-01-24 $151,000
11476068 Electromagnetic relay with heat dissipation structure Shingo Mori, Ryota Minowa, Yasuo Hayashida, Naoki Kawaguchi, Hiroyuki Iwasaka 2022-10-18 $96,000
11450498 Relay Ryota Minowa, Hiroyuki Iwasaka, Yasuo Hayashida, Shingo Mori, Naoki Kawaguchi 2022-09-20 $137,000
11450496 Relay Hiroyuki Harimochi, Ryota Minowa, Naoki Kawaguchi, Shinichi Ogawa, Hiroyuki Iwasaka +1 more 2022-09-20 $137,000
11373830 Electromagnetic relay to ensure stable energization even when contact is dissolved Naoki Kawaguchi, Ryota Minowa, Hiroyuki Harimochi, Shinichi Ogawa, Hiroyuki Iwasaka 2022-06-28 $92,000
11348750 Relay Naoki Kawaguchi, Ryota Minowa, Yasuo Hayashida, Shingo Mori, Hiroyuki Iwasaka 2022-05-31 $109,000
11295918 Electromagnetic relay Naoki Kawaguchi, Ryota Minowa, Hiroyuki Harimochi, Shinichi Ogawa, Hiroyuki Iwasaka 2022-04-05 $112,000
11276537 Relay Hiroyuki Harimochi, Ryota Minowa, Naoki Kawaguchi, Shinichi Ogawa, Hiroyuki Iwasaka +1 more 2022-03-15 $175,000
10310511 Automatic driving control system of mobile object Hiromitsu Urano, Taisuke Sugaiwa, Kunihito Sato, Kentaro Ichikawa, Bunyo Okumura +1 more 2019-06-04 $315,000