Hiroki Maejima — 3 Patents at Nsk

Hiroki Maejima has been granted 3 US patents while listed as an inventor at Nsk. The first was granted in 2015 and the most recent in April 2022. Hiroki Maejima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hiroki Maejima in Yokohama, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11306774	Tapered roller bearing	Makoto Zembutsu, Hiroaki Yamanaka, Tomoyuki Miyazaki	2022-04-19
9039288	Tapered roller bearing resin cage and tapered roller bearing	Takumi Takeuchi, Ryosuke Yamada, Kinji Yukawa, Tomoharu Saito, Kimiko Nakai	2015-05-26
8998498	Tapered roller bearing and manufacturing method for retainer of tapered roller bearing	Hironori Mizuki, Yasuhiro Ishimori, Masahiro Kita, Kinji Yukawa, Tomoharu Saito +1 more	2015-04-07

Hiroki Maejima — 3 Patents

Issued Patents All Time

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