1. Effect of molecular weight distribution of mineral oils on lubrication of machine elements;Hirano,1980
2. Effect of molecular weight distribution of mineral oil on tribofailure of spur gears;Hirano;J. Mech. Des.,1981
3. Effect of composition of lubricating oil on EHL film formation;Hirano;J. JSLE,1977
4. On a significant property of lubricants concerning rolling fatigue and scoring;Hirano,1971
5. Effect of composition of mineral oil on performance of mechanical seal;Hirano,1975