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USPTO Patent Rankings Data through Dec 31, 2025
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Mitsuhiro Seki — 27 Patents

SOSomar: 18 patents #3 of 174Top 2%
Kubota: 7 patents #292 of 2,059Top 15%
Tdk: 2 patents #1,902 of 3,796Top 55%
Sakai, JP: #219 of 2,905 inventorsTop 8%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Mitsuhiro Seki has been granted 27 US patents while listed as an inventor at Somar. The first was granted in 1988 and the most recent in June 2023. Mitsuhiro Seki ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Mitsuhiro Seki in Sakai, JP.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
11665999 Harvester with clog determining unit Takashi Nakabayashi, Sotaro Hayashi, Masayuki Horiuchi, Kyosuke Yamaoka, Toshiki Watanabe +1 more 2023-06-06
11589508 Field map generating system Kazuhiro Takahara, Ryuzo Fujita, Mao Kitahara 2023-02-28
11197405 Harvesting machine and travel mode switching method Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Takashi Nakabayashi, Sotaro Hayashi +3 more 2021-12-14
10980177 Combine harvester comprising yield corrector for correcting minimal section yield Mao Ueda, Yoshimasa Ando, Kazuhiro Takahara 2021-04-20
10885481 Agricultural work management system and agricultural crop harvester Kazuhiro Takahara 2021-01-05
10685304 Agricultural work management system and agricultural crop harvester Kazuhiro Takahara 2020-06-16
10410149 Agricultural work management system and agricultural crop harvester Kazuhiro Takahara 2019-09-10
8120458 Ferrite core and transformer using the same Masaaki Iwakura, Kazunori Ishibashi 2012-02-21
7701320 Ferrite core and transformer using the same Masaaki Iwakura, Kazunori Ishibashi 2010-04-20
5312505 Film peeling method and apparatus for practicing same Shigeo Sumi, Fumio Hamamura, Ichio Fukuda 1994-05-17
5289750 Apparatus for bonding continuous thin film to discrete base plates and film cutting apparatus therefor Yasuhiro Nagafuchi, Shigeo Sumi, Fumio Hamamura 1994-03-01
D339147 Film remover Shigeo Sumi, Fumio Hamamura 1993-09-07
5176784 Apparatus for bonding continuous thin film to discrete base plates and film cutting apparatus therefor Yasuhiro Nagafuchi, Shigeo Sumi, Fumio Hamamura 1993-01-05
5162071 Adjustable film cutoff unit Yasuhiro Nagafuchi, Shigeo Sumi, Fumio Hamamura 1992-11-10
5131972 Film guide device for a film bonding apparatus Shigeo Sumi, Fumio Hamamura 1992-07-21
5120386 Film sticking method and apparatus Fumio Hamamura 1992-06-09
5110400 Apparatus for bonding continuous thin film to discrete base plates and cutting thereof Yasuhiro Nagafuchi, Shigeo Sumi, Fumio Hamamura 1992-05-05
5053099 Film bonding method and apparatus for performing same Shigeo Sumi, Takashi Goto 1991-10-01
5000816 Thin film peeling apparatus Shigeo Sumi 1991-03-19
4983248 Thin-film coating method and apparatus therefor 1991-01-08
4964937 Thin film adhering method and thin film adhering apparatus 1990-10-23
4961817 Thin-film releasing apparatus 1990-10-09
4885048 Laminator Sigeo Sumi, Fumio Hamamura, Ichio Fukuda, Noriyasu Sawada 1989-12-05
4867837 Film peeler Sigeo Sumi, Fumio Hamamura 1989-09-19
4844772 Laminator Sigeo Sumi, Fumio Hamamura, Ichio Fukuda, Noriyasu Sawada 1989-07-04