Inventor · disambiguated record
Keijiro Hirahara
Also filed as: HIRAHARA KEIJIRO
3 granted patents·6 citations·filing 1976–1994
58Inventor score
Top patents by PatentIndex Score
3 records- 0131US4757364ALight emitting elementTOSHIBA KK·Filed 1985·Granted Jul 12, 1988·4 cites·7 claims
- 0227US4026994AMethod for manufacturing gallium phosphideTOKYO SHIBAURA ELECTRIC CO·Filed 1976·Granted May 31, 1977·2 cites·7 claims
- 0326US5497029ATin-indium antimonide infrared detectorTOSHIBA KK·Filed 1994·Granted Mar 5, 1996·0 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →