DM

Daisuke Matsuyama

EC Epoch Company: 13 patents #4 of 44Top 10%
CC C.Uyemura & Co.: 6 patents #22 of 180Top 15%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
NC Niterra Co.: 1 patents #41 of 125Top 35%
Overall (All Time): #190,863 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12422398 Gas sensor Kunihiko Yonezu, Masashi Nomura, Yuto INOSE, Masana Okai 2025-09-23
D1023164 Toy car 2024-04-16
11891698 Turbulence-reducing device for stirring a surface treatment solution Tomoji Okuda, Masayuki Kiso, Daisuke Hashimoto, Akira Okada, Keita Taniguchi 2024-02-06
11891714 Holding apparatus Daisuke Hashimoto, Kazuyoshi NISHIMOTO, Tomoji Okuda 2024-02-06
11887882 Holding jig Daisuke Hashimoto, Kazuyoshi NISHIMOTO, Tomoji Okuda 2024-01-30
D1004009 Toy house 2023-11-07
11609215 Gas sensor Masahiro Asai, Masashi Nomura, Yuto INOSE, Takehiro Oba 2023-03-21
11531002 Gas sensor Masahiro Asai, Masashi Nomura, Yuto INOSE 2022-12-20
D969932 Toy house 2022-11-15
D969933 Toy merry-go-round 2022-11-15
11389818 Surface treatment apparatus and surface treatment method Tomoji Okuda, Shinji Tachibana, Masayuki Utsumi 2022-07-19
11173513 Surface treatment device comprising a paddle for stirring a surface treatment solution, paddle for stirring a surface treatment solution and method thereof Tomoji Okuda, Masayuki Kiso, Daisuke Hashimoto, Akira Okada, Keita Taniguchi 2021-11-16
D924985 Toy car 2021-07-13
D901602 Toy ropeway 2020-11-10
D901599 Toy house 2020-11-10
D901600 Toy house 2020-11-10
D901601 Toy house 2020-11-10
D884091 Toy house 2020-05-12
D872810 Toy house 2020-01-14
10477695 Drying apparatus Masayuki Utsumi, Tomoji Okuda, Yutaka NISHINAKA 2019-11-12
D859540 Toy house 2019-09-10
D852901 Toy bus 2019-07-02