KS

Kazumasa Seko

NT Ntn: 7 patents #221 of 1,364Top 20%
Overall (All Time): #706,199 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11773901 Self-aligning roller bearing Masaki Nakanishi, Takashi Yamamoto 2023-10-03
11306776 Double-row self-aligning roller bearing Michio Hori, Yasuyuki Inoue, Takashi Yamamoto, Masaki Nakanishi 2022-04-19
11187266 Double-row self-aligning roller bearing Yasuyuki Inoue, Takashi Yamamoto, Michio Hori 2021-11-30
10883544 Double-row self-aligning roller bearing and protrusion prevention jig Takashi Yamamoto, Yasuyuki Inoue, Michio Hori 2021-01-05
10808761 Rolling bearing, and abrasion resistance treatment method for bearing raceway surface Weida Yan, Michio Hori, Takashi Yamamoto, Naoya Hasegawa 2020-10-20
10697492 Double-row self-aligning roller bearing Takashi Yamamoto, Yasuyuki Inoue, Michio Hori 2020-06-30
10655674 Double-row self-aligning roller bearing Takashi Yamamoto, Yasuyuki Inoue, Michio Hori 2020-05-19