Inventor · disambiguated record
Sadao Nakagawa
Also filed as: NAKAGAWA SADAO
3 granted patents·82 citations·filing 1976–1994
75Inventor score
Top patents by PatentIndex Score
3 records- 0191US4051493AFlash photographing deviceNIPPON KOGAKU KK·Filed 1976·Granted Sep 27, 1977·25 cites·9 claims
- 0279US5444206AStructure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus thereforHITACHI LTD·Filed 1991·Granted Aug 22, 1995·34 cites·3 claims
- 0370US5498849AStructure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus thereforHITACHI LTD·Filed 1994·Granted Mar 12, 1996·23 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →