HM

Hideyumi Matsumura

DC Daido Metal Company: 10 patents #30 of 280Top 15%
Overall (All Time): #522,276 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7293943 Tool holder Hiroshi Yoshimura 2007-11-13
6207291 High-temperature sliding alloy and sliding contact structure using same Kouki Ozaki, Takayuki Shibayama 2001-03-27
6116611 Tubular packing and method of producing same Kouki Ozaki, Masatoshi Inoue, Shigehiro Kawai, Yutaka Yamada, Takayuki Shibayama 2000-09-12
6106961 Sliding sheet material for high-temperature use and packing Kouki Ozaki, Masatoshi Inoue, Shigehiro Kawai, Yutaka Yamada, Takayuki Shibayama 2000-08-22
6089756 Plain bearing Akira Ono, Masayuki Niwa, Shoji Nawa, Takayuki Shibayama 2000-07-18
6082904 Sliding bearing Akira Ono, Masayuki Niwa, Shoji Nawa, Takayuki Shibayama 2000-07-04
6059460 Plain bearing Akira Ono, Masayuki Niwa, Shoji Nawa, Takayuki Shibayama 2000-05-09
5332317 Sliding/rolling bearing having rolling elements Kosaburo Niwa 1994-07-26
5306090 Sliding roller bearing having rolling members Kosaburo Niwa 1994-04-26
5302032 Radial/thrust composite-bearing having rolling elements Kosaburo Niwa 1994-04-12