Inventor · disambiguated record
Ryuya Toyonaga
Also filed as: TAKAHASHI KOICHI · TOYONAGA RYUYA
3 granted patents·54 citations·filing 1976–1977
72Inventor score
Top patents by PatentIndex Score
3 records- 0184US4085351AGaseous discharge light emitting elementDAINIPPON TORYO KK·Filed 1977·Granted Apr 18, 1978·23 cites·9 claims
- 0274US4161457AProcess for preparing a divalent europium activated alkaline earth metal aluminate phosphorDAINIPPON TORYO KK·Filed 1977·Granted Jul 17, 1979·25 cites·4 claims
- 0351US4085350AGaseous discharge light emitting elementJAPAN BROADCASTING CORP·Filed 1976·Granted Apr 18, 1978·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →