Inventor
HIRAI HIDEO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBOSHI BELTING LTD
7 patentsUS4983145AJan 8, 1991
Apparatus for automatically tensioning a drive belt
MITSUBOSHI BELTING LTD61 citations94
US4486375ADec 4, 1984
Method of manufacturing toothed belts
MITSUBOSHI BELTING LTD30 citations92
US5083983AJan 28, 1992
Belt tensioner
MITSUBOSHI BELTING LTD48 citations91
US4915674AApr 10, 1990
Toothed drive belt
MITSUBOSHI BELTING LTD23 citations90
US5362280ANov 8, 1994
Power transmission system
MITSUBOSHI BELTING LTD11 citations73
US4993998AFeb 19, 1991
Power transmission belt and drive
MITSUBOSHI BELTING LTD14 citations73
US4568315AFeb 4, 1986
Speed-shifting pulley with clutch mechanism
MITSUBOSHI BELTING LTD11 citations71
PFIZER
6 patentsUS5885959AMar 23, 1999
Cyclic peptide compounds and their production process
PFIZER8 citations73
US6034107AMar 7, 2000
5-Substituted picolinic acid compounds and their production process
PFIZER12 citations72
US6416979B1Jul 9, 2002
5-substituted picolinic acid compounds production by Marasmiellus sp
PFIZER2 citations61
US6194442B1Feb 27, 2001
5-substituted picolinic acid compounds and their method of use
PFIZER3 citations61
US6440709B1Aug 27, 2002
Production of isochroman compounds by culturing Penicillium
PFIZER1 citations46
US6177458B1Jan 23, 2001
Isochroman compounds and their production process
PFIZER1 citations46
FUJISAWA PHARMACEUTICAL CO
5 patentsUS4698349AOct 6, 1987
Quinolizinone compounds, and pharmaceutical composition comprising the same, useful as anti-ulcerative and anti-allergic agents
FUJISAWA PHARMACEUTICAL CO27 citations92
US4650804AMar 17, 1987
Quinolizinone compounds and pharmaceutical composition comprising the same, useful as anti-ulcerative and anti-allergic agents
FUJISAWA PHARMACEUTICAL CO27 citations92
US4929639AMay 29, 1990
Oxygen-containing heterocyclic compound
FUJISAWA PHARMACEUTICAL CO2 citations63
US4916152AApr 10, 1990
Pyrrolidine derivatives as antiasthmatics
FUJISAWA PHARMACEUTICAL CO4 citations63
US4939241AJul 3, 1990
Amino acid derivatives of antitumor activity
FUJISAWA PHARMACEUTICAL CO1 citations51