YK

Yukihiro Koyama

YA Yazaki: 9 patents #495 of 3,427Top 15%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
Overall (All Time): #484,018 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12351476 Infrared absorbing material fine particle dispersion liquid and method for production thereof Keiichi Sato, Kenji Fukuda, Hiroki Nakayama, Hideaki Fukuyama 2025-07-08
12030446 Electric junction box and accommodating method of holding portion Kei Tomita 2024-07-09
11955785 Resin structure Kei Tomita, Kengo Ishida 2024-04-09
11677225 Electric junction box and assembling method thereof Kei Tomita, Kengo Ishida 2023-06-13
11600978 Resin structure and wire harness Kei Tomita, Kengo Ishida 2023-03-07
11588313 Electrical junction box Kei Tomita 2023-02-21
10759358 Electronic component unit and wire harness Ryo Nakano 2020-09-01
10237995 Electrical connection box and wire harness Ryo Nakano 2019-03-19
10027100 Electrical connection box and wire harness Ryo Nakano 2018-07-17
9979170 Electrical connection box and wire harness Ryo Nakano 2018-05-22