Inventor · disambiguated record
Shigeaki Oyama
Also filed as: HASHIMOTO YOSHIHIRO · OYAMA SHIGEAKI
17 granted patents·424 citations·filing 1976–1983
95Inventor score
Top patents by PatentIndex Score
17 records- 0193US4406959ARotary electric motorFUJITSU FANUC LTD·Filed 1981·Granted Sep 27, 1983·77 cites·6 claims
- 0291US4217513ADirect current motorFUJITSU FANUC LTD·Filed 1977·Granted Aug 12, 1980·50 cites·11 claims
- 0389US4133230AMachine toolFUJITSU FANUC LTD·Filed 1977·Granted Jan 9, 1979·40 cites·2 claims
- 0486US4580471AMotor-incorporated spindle head unitFANUC LTD·Filed 1983·Granted Apr 8, 1986·35 cites·3 claims
- 0583US4485320AWelded stator using non-magnetic bars in specially shaped lamination slotsFANUC LTD·Filed 1982·Granted Nov 27, 1984·42 cites·2 claims
- 0677US4465948ADevice for cooling a reversible motorFUJITSU FANUC LTD·Filed 1981·Granted Aug 14, 1984·33 cites·11 claims
- 0776US4240000ARotary electric machine with a heat pipe for coolingFUJITSU FANUC LTD·Filed 1978·Granted Dec 16, 1980·30 cites·2 claims
- 0872US4268781ADC Motor drive systemFUJITSU FANUC LTD·Filed 1977·Granted May 19, 1981·19 cites·7 claims
- 0970US4745320AInduction motorFUJITSU FANUC LTD·Filed 1981·Granted May 17, 1988·24 cites·3 claims
- 1057US4439703ADirect current motorFUJITSU FANUC LTD·Filed 1979·Granted Mar 27, 1984·14 cites·6 claims
- 1155US4220882ADirect current motorFUJITSU FANUC LTD·Filed 1978·Granted Sep 2, 1980·13 cites·6 claims
- 1251US4374337ADirect current motor having E-shaped interpolesFUJITSU FANUC LTD·Filed 1981·Granted Feb 15, 1983·13 cites·4 claims
- 1349US4181875ADrive circuit for a DC motorFUJITSU FANUC LTD·Filed 1977·Granted Jan 1, 1980·10 cites·6 claims
- 1444US4307312ADirect current motor having E-shaped interpolesFUJITSU FANUC LTD·Filed 1980·Granted Dec 22, 1981·9 cites·4 claims
- 1540US4338535ADirect current motor having E-shaped interpolesFUJITSU FANUC LTD·Filed 1980·Granted Jul 6, 1982·7 cites·3 claims
- 1639US4170276AMotor with selectable speed clutchFUJITSU FANUC LTD·Filed 1977·Granted Oct 9, 1979·5 cites·4 claims
- 1732US4050837ADrilling machine with automatic tool changerFUJITSU FANUC LTD·Filed 1976·Granted Sep 27, 1977·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →