Inventor · disambiguated record
Keiji Ichinomiya
Also filed as: ICHINOMIYA KEIJI
5 granted patents·200 citations·filing 1981–2001
84Inventor score
Top patents by PatentIndex Score
5 records- 0190US4423349AGreen fluorescence-emitting material and a fluorescent lamp provided therewithNICHIA DENSHI KAGAKU CO LTD·Filed 1981·Granted Dec 27, 1983·64 cites·11 claims
- 0287US5049779APhosphor composition used for fluorescent lamp and fluorescent lamp using the sameNICHIA KAGAKU KOGYO KK·Filed 1989·Granted Sep 17, 1991·46 cites·12 claims
- 0384US5859496ALamp containing long decay phosphorNICHIA KAGAKU KOGYO KK·Filed 1996·Granted Jan 12, 1999·71 cites·12 claims
- 0455US6780255B2Sm-fe-N based alloy powder and process for producing the sameNICHIA KAGAKU KOGYO KK·Filed 2001·Granted Aug 24, 2004·3 cites·11 claims
- 0554US6334908B1Sm-Fe-N alloy powder and process for the production thereofNICHIA KAGAKU KOGYO KK·Filed 1998·Granted Jan 1, 2002·16 cites·8 claims
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