Inventor · disambiguated record
Masaaki Sawai
Also filed as: SAWAI MASAAKI
5 granted patents·86 citations·filing 1983–1987
80Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0183US4604753ASemiconductor laser module having an improved temperature control arrangementHITACHI LTD·Filed 1983·Granted Aug 5, 1986·61 cites·16 claims
- 0261US4731790ASemiconductor laser chip having a layer structure to reduce the probability of an ungrown regionHITACHI LTD·Filed 1985·Granted Mar 15, 1988·13 cites·13 claims
- 0347US4692927ALight emitting device with improved electrode structure to minimize short circuitingHITACHI LTD·Filed 1985·Granted Sep 8, 1987·7 cites·15 claims
- 0438US4785455ALight emitting device with improved electrode structure to minimize short circuitingHITACHI LTD·Filed 1987·Granted Nov 15, 1988·4 cites·1 claims
- 0528US4849982ASemiconductor laser chip having a layer structure to reduce the probability of an ungrown regionHITACHI LTD·Filed 1987·Granted Jul 18, 1989·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →