Inventor · disambiguated record
Yasutoshi Kashiwada
Also filed as: KASHIWADA YASUTOSHI
9 granted patents·140 citations·filing 1974–1989
89Inventor score
Top patents by PatentIndex Score
9 records- 0183US4506366ASemiconductor laser deviceHITACHI LTD·Filed 1982·Granted Mar 19, 1985·29 cites·7 claims
- 0282US4665528ADistributed-feedback semiconductor laser deviceHITACHI LTD·Filed 1984·Granted May 12, 1987·25 cites·9 claims
- 0380US4775980ADistributed-feedback semiconductor laser deviceHITACHI LTD·Filed 1985·Granted Oct 4, 1988·28 cites·11 claims
- 0476US4432091ASemiconductor laser deviceHITACHI LTD·Filed 1982·Granted Feb 14, 1984·20 cites·3 claims
- 0558US4630279ABuried heterojunction laserHITACHI LTD·Filed 1983·Granted Dec 16, 1986·11 cites·19 claims
- 0652US4149989AProcess for producing phosphorsHITACHI LTD·Filed 1978·Granted Apr 17, 1979·12 cites·4 claims
- 0749US5136601ASemiconductor laserHITACHI LTD·Filed 1989·Granted Aug 4, 1992·8 cites·3 claims
- 0841US4001127AProcess of preparing single crystals of strontium barium niobateAGENCY IND SCIENCE TECHN·Filed 1974·Granted Jan 4, 1977·4 cites·4 claims
- 0935US4563764ASemiconductor laser deviceHITACHI LTD·Filed 1983·Granted Jan 7, 1986·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →