Inventor · disambiguated record
Kohei Fukumi
Also filed as: FUKUMI KOHEI
5 granted patents·27 citations·filing 1992–2009
76Inventor score
Top patents by PatentIndex Score
5 records- 0169US8404604B2Optical glassHIDAKA TATSUO·Filed 2009·Granted Mar 26, 2013·6 cites·4 claims
- 0255US8298974B2Optical glassHIDAKA TATSUO·Filed 2009·Granted Oct 30, 2012·0 cites·13 claims
- 0346US5763340AMethod for production of SiO2 glass material having regions changed in light refractive index and SiO2 glass material produced by the methodAGENCY IND SCIENCE TECHN·Filed 1997·Granted Jun 9, 1998·13 cites·9 claims
- 0440US5261938AProcess for producing rod glass having refractive index distributionAGENCY IND SCIENCE TECHN·Filed 1992·Granted Nov 16, 1993·6 cites·4 claims
- 0531US5392375AGlass having refractive index distributionAGENCY IND SCIENCE TECHN·Filed 1993·Granted Feb 21, 1995·2 cites·2 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →