Inventor
OHBAYASHI TETSURO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “OHBAYASHI TETSURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OSAKA VACUUM LTD
7 patentsUS5074747ADec 24, 1991
Vacuum pump
OSAKA VACUUM LTD25 citations90
US5219269AJun 15, 1993
Vacuum pump
OSAKA VACUUM LTD18 citations80
US5221179AJun 22, 1993
Vacuum pump
OSAKA VACUUM LTD9 citations71
US5160250ANov 3, 1992
Vacuum pump with a peripheral groove pump unit
OSAKA VACUUM LTD14 citations71
US5217346AJun 8, 1993
Vacuum pump
OSAKA VACUUM LTD6 citations60
US7909583B2Mar 22, 2011
Pump apparatus and pump unit thereof
OSAKA VACUUM LTD3 citations56
US8853905B2Oct 7, 2014
Radial direction controller and magnetic bearing apparatus utilizing same
OSAKA VACUUM LTD0 citations39