MH

Magozo Hamamoto

Nsk: 3 patents #483 of 1,559Top 35%
NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
Overall (All Time): #1,288,409 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5630668 Thrust needle-shaped roller bearing, rolling bearing, and cage of the thrust needle-shaped roller bearing Katsuhiro Ikezawa, Hiroshi Iwasa, Yasuhiro Nomura, Toshiro Kawamura, Hiroshi Narai +5 more 1997-05-20
5590225 Plastic holder for bearing Teruo Aramaki 1996-12-31
5558448 Rolling bearing Toshikazu Yabe, Hiromitsu Asai 1996-09-24
5236264 Linear bearing Toshio Matsubara, Takeo Koyama, Shoichiro Koike 1993-08-17